Kangaroo shooter Steven O'Donnell rests his .223 calibre rifle on the roof of his truck as he aims at a group of kangaroos on a property located on the outskirts of Australia's capital city Canberra March 23, 2013. O'Donnell, a professional plumber, shoots kangaroos on local farmer's properties around three times a week as part of the annual cull, running from March until the end of July, which involves the legal shooting and tagging of thousands of eastern grey kangaroos per year in the Australian Capital Territory. Picture taken March 23, 2013. REUTERS/David Gray (AUSTRALIA - Tags: ENVIRONMENT SOCIETY TPX IMAGES OF THE DAY)


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Members of the North Florida Survival Group wait with their rifles before heading out to perform enemy contact drills during a field training exercise in Old Town, Florida, December 8, 2012. The group trains children and adults alike to handle weapons and survive in the wild. The group passionately supports the right of U.S. citizens to bear arms and its website states that it aims to teach "patriots to survive in order to protect and defend our Constitution against all enemy threats". Picture taken December 8, 2012. REUTERS/Brian Blanco (UNITED STATES - Tags: SOCIETY POLITICS TPX IMAGES OF THE DAY)

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A French soldier aims his sniper rifle during fighting with Islamists in Gao February 21, 2013. French and Malian troops fought Islamists on the streets of Gao and a car bomb exploded in Kidal on Thursday, as fighting showed little sign of abating weeks before France plans to start withdrawing some forces. REUTERS/Joe Penney (MALI - Tags: MILITARY CONFLICT TPX IMAGES OF THE DAY) 

A Free Syrian Army fighter walks through a dust-filled stairwell after a comrade fired a B-10 recoilless gun at Syrian Army soldiers in the Haresta neighbourhood of Damascus in this February 7, 2013 file photo. The antiquated, probably 1960s vintage, Soviet B-10 recoilless rifle, is a heavy, bazooka-style cannon normally mounted on a little trolley and weighing about 70 kg (150 pounds); the rebel fighter simply hefted it onto his shoulder and blasted a heavy round somewhere down the road. In a month on the frontline Goran Tomasevic documented rebel fighters as they defended a swathe of suburbs, mounted complex mass attacks, managed logistics, treated their wounded - and died. But as constant, mortar, tank and sniper fire attested, President Bashar al-Assad's soldiers, often just a room or a grenade toss away, were equally well drilled - and much better armed. Picture taken February 7, 2013. REUTERS/Goran Tomasevic/Files (SYRIA - Tags: CIVIL UNREST POLITICS CONFLICT)

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A French soldier poses for a photo with his FRF2 sniper rifle on the road to the airport, where French troops are based, in Gao February 12, 2013. Picture taken February 12, 2013. REUTERS/Francois Rihouay (MALI - Tags: CONFLICT CIVIL UNREST) 

A French soldier guards an outpost with a FR-F2 sniper rifle on the road to the airport, where French troops are based, in Gao February 12, 2013. Picture taken February 12, 2013. REUTERS/Francois Rihouay (MALI - Tags: CONFLICT CIVIL UNREST) 

A French soldier guards an outpost with a FR-F2 sniper rifle on the road to the airport, where French troops are based, in Gao February 12, 2013. Picture taken February 12, 2013. REUTERS/Francois Rihouay (MALI - Tags: CONFLICT CIVIL UNREST) 

A fighter from the Free Syrian Army's Tahrir al Sham brigade aims his sniper rifle in the Arabeen neigbourhood of Damascus February 9, 2013. REUTERS/Mohammed Abdullah (SYRIA - Tags: CIVIL UNREST MILITARY POLITICS CONFLICT) 

A Free Syrian Army fighter fires a rifle through a hole in a wall of a Syrian Army base, just before he was shot in the head by a sniper, during heavy fighting in the Arabeen neighbourhood of Damascus February 3, 2013. TREUTERS/Goran Tomasevic (SYRIA - Tags: CIVIL UNREST CONFLICT TPX IMAGES OF THE DAY) 

ATTENTION EDITORS - VISUAL COVERAGE OF SCENES OF INJURY OR DEATH
A Free Syrian Army fighter (on R, covered by dust) is shot in the head by a sniper from a wall of a Syrian Army base during heavy fighting in the Arabeen neighbourhood of Damascus February 3, 2013. REUTERS/Goran Tomasevic (SYRIA - Tags: CONFLICT CIVIL UNREST TPX IMAGES OF THE DAY) 

A U.S. Army sniper with Charlie Company, 36th Infantry Regiment, 1st Armored Division looks down the scope of his rifle during a mission near Command Outpost Pa'in Kalay in Maiwand District, Kandahar Province February 3, 2013. REUTERS/Andrew Burton (AFGHANISTAN - Tags: MILITARY CONFLICT) 

A U.S. Army sniper with Charlie Company, 36th Infantry Regiment, 1st Armored Division looks down the scope of his rifle during a mission near Command Outpost Pa'in Kalay in Maiwand District, Kandahar Province February 3, 2013. REUTERS/Andrew Burton (AFGHANISTAN - Tags: CONFLICT MILITARY) 

A U.S. Army sniper with Charlie Company, 36th Infantry Regiment, 1st Armored Division looks down the scope of his rifle during a mission near Command Outpost Pa'in Kalay in Maiwand District, Kandahar Province February 3, 2013. REUTERS/Andrew Burton (AFGHANISTAN - Tags: MILITARY CONFLICT) 

A U.S. Army sniper calibrates his gun at Command Outpost AJK (Azim-Jan-Kariz) in Maiwand District, Kandahar Province, Afghanistan, January 29, 2013. REUTERS/Andrew Burton (AFGHANISTAN - Tags: POLITICS MILITARY) 

Items belonging to a U.S. Army sniper are pictured at Command Outpost AJK (Azim-Jan-Kariz) in Maiwand District, Kandahar Province, Afghanistan, January 29, 2013. REUTERS/Andrew Burton (AFGHANISTAN - Tags: POLITICS MILITARY) 

A fighter from the Free Syrian Army's Tahrir al Sham brigade aims a sniper rifle before firing at Syrian Army soldiers during heavy fighting in Mleha suburb of Damascus January 26, 2013. REUTERS/Goran Tomasevic (SYRIA - Tags: CIVIL UNREST POLITICS) 

A fighter from the Free Syrian Army's Tahrir al Sham brigade aims a sniper rifle as other fighters eat their lunch during heavy fighting in Mleha suburb of Damascus January 26, 2013. REUTERS/Goran Tomasevic (SYRIA - Tags: CIVIL UNREST POLITICS) 

Members of Security Force Advisor Team 10 provide sniper coverage during a shura - a meeting between village elders, U.S. troops and Afghan National Security Forces - near Command Outpost AJK (short for Azim-Jan-Kariz, a near-by village) in Maiwand District, Kandahar Province, Afghanistan, January 26, 2013. REUTERS/Andrew Burton (AFGHANISTAN - Tags: POLITICS MILITARY) 

A fighter from the Sadik unit of Free Syrian Army's Tahrir al Sham brigade fires his Draganov sniper rifle from inside a house during a heavy fighting in Mleha suburb of Damascus, January 22, 2013. REUTERS/Goran Tomasevic (SYRIA - Tags: CIVIL UNREST POLITICS) BEST QUALITY AVAILABLE 

A fighter from the Sadik unit of Free Syrian Army's Tahrir al Sham brigade fires his Steyr sniper rifle from inside a house, as another fighter (L) carries a Dragunov sniper rifle during heavy fighting in Mleha suburb of Damascus January 22, 2013. REUTERS/Goran Tomasevic (SYRIA - Tags: CIVIL UNREST POLITICS) 

A fighter from the Sadik unit of Free Syrian Army's Tahrir al Sham brigade fires his Draganov sniper rifle from inside a house during a heavy fighting in Mleha suburb of Damascus, January 22, 2013. REUTERS/Goran Tomasevic
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A fighter from the Sadik unit of Free Syrian Army's Tahrir al Sham brigade fires his Draganov sniper rifle from inside a house during heavy fighting in Mleha suburb of Damascus January 22, 2013. REUTERS/Goran Tomasevic (SYRIA - Tags: CIVIL UNREST POLITICS TPX IMAGES OF THE DAY) 

Members of Swiss special police forces stand on the roof of the Congress Hall of the World Economic Forum (WEF) in Davos January 22, 2013. The annual meeting of the WEF takes place under heavy security measures from January 23 to 27 in the Alpine resort, and will be attended by top politicians, monetary policymakers and senior business executives. REUTERS/Pascal Lauener (SWITZERLAND - Tags: POLITICS BUSINESS) 

A Free Syrian Army fighter member of Sadik unit aims his Draganov sniper rifle at Syrian Army soldiers in Ain Tarma neighbourhood of Damascus January 20, 2013. REUTERS/Goran Tomasevic (SYRIA - Tags: CIVIL UNREST POLITICS) 

Guevara, a Syria Palestinian woman married to an Al Wa'ad battalion commander, is pictured in Aleppo January 19, 2013. Guevara was the director of a secondary school before the revolution and is now one of the main snipers of the battalion on the front line in Aleppo. REUTERS/ Muzaffar Salman (SYRIA - Tags: CONFLICT) 

Guevara, a Syrian Palestinian woman married to an Al Wa'ad battalion commander, runs in Aleppo January 19, 2013. Guevara was the director of a secondary school before the revolution and is now one of the main snipers of the battalion on the front line in Aleppo. REUTERS/ Muzaffar Salman (SYRIA - Tags: CONFLICT) 

A Free Syrian Army fighter fires a sniper rifle at Syrian Army check point in Haresta neighbourhood of Damascus January 16, 2013.
REUTERS/Goran Tomasevic (SYRIA - Tags: CIVIL UNREST POLITICS) 

A Free Syrian Army fighter fires a sniper rifle at Syrian Army check point in Haresta neighbourhood of Damascus January 16, 2013.
REUTERS/Goran Tomasevic (SYRIA - Tags: CIVIL UNREST POLITICS TPX IMAGES OF THE DAY) 

Israeli soldiers hold weapons during a drill in the West Bank city of Hebron January 13, 2013. Entrenched in what they view as their Biblical heartland, the hardline Jewish settlers of Hebron look forward with delight to next week's Israeli election. Picture taken January 13, 2013. To match ISRAEL-ELECTION/SETTLERS REUTERS/Baz Ratner (WEST BANK - Tags: POLITICS ELECTIONS MILITARY) 

A Free Syrian Army fighter fires at a sniper loyal to Syrian President Bashar el-Assad during a fight on the front line in Aleppo city December, 31, 2012. REUTERS/Ahmed Jadallah (SYRIA - Tags: CIVIL UNREST POLITICS) 

A Free Syrian Army sniper is reflected in a mirror while looking through the scope of his rifle as he takes position at the frontline during fighting with Syrian forces loyal to Syrian President Bashar al- Assad at Bustan el Qasr district in Aleppo December 21, 2012. REUTERS/Ahmed Jadallah (SYRIA - Tags: CIVIL UNREST POLITICS MILITARY) 

A Free Syrian Army sniper looks through the scope of his rifle as he takes his position at the front line during a fighting with Syrian forces loyal to Syria's President Bashar al-Assad at Bustan el Qasr district in Aleppo December 21.2012. REUTERS/Ahmed Jadallah (SYRIA - Tags: CONFLICT POLITICS) 

Mannequins are erected to distract snipers loyal to Syria's President Bashar al-Assad in Aleppo's Khan al-Wazeer district December 16, 2012. Picture taken December 16, 2012. REUTERS/Aref Heretani (SYRIA - Tags: CONFLICT POLITICS) 

A view seen though a sniper's scope held for the photographer by a Free Syrian Army fighter shows a Syrian flag fluttering in an area controlled by forces loyal to Syria's President Bashar al-Assad near Aleppo's historical citadel November 28, 2012. Picture taken November 28, 2012. REUTERS/Saad Al-Jabri (SYRIA - Tags: CIVIL UNREST POLITICS CONFLICT) 

A Free Syrian Army fighter with an amputated hand, takes cover from a sniper loyal to Syria's President Bashar al -Assad, near Aleppo's historical citadel, November 28, 2012. Picture taken November 28, 2012. REUTERS/Saad Al-Jabri (SYRIA - Tags: CONFLICT) 

A member of the Free Syrian Army fires at a sniper as he runs for cover during clashes with pro-government forces in Harem town, Idlib Governorate, October 25, 2012. REUTERS/Asmaa Waguih (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT TPX IMAGES OF THE DAY) 

A man pretends to shoot during a live action role-playing game based on a computer game "Stalker", at a guerrilla warfare experiential park, one of two theme parks, on the outskirts of Wuxiang county, north China's Shanxi province, October 20, 2012. Visitors to the theme parks pay to participate in a dress up action play with performers, where they can choose to role play as soldiers from the Japanese army or the Eighth Route Army, with professional sound and lighting effects. A live-action performance and the parks, located near the former headquarters of the Eighth Route Army, a military group controlled by the Communist Party of China during the Chinese Civil War and the Second Sino-Japanese War, cost the Wuxiang government around 500 million RMB ($80 million) to construct. Picture taken on October 20, 2012. REUTERS/Jason Lee (CHINA - Tags: MILITARY POLITICS SOCIETY TPX IMAGES OF THE DAY) 

A Free Syrian Army fighter fixes his sniper rifle in Aleppo's Bustan al-Basha district October 17, 2012. REUTERS/Zain Karam (SYRIA - Tags: CONFLICT) 

A Free Syrian Army fighter holds a sniper rifle near his comrade in Aleppo's Bustan Al-Basha district October 15, 2012. REUTERS/Zain Karam (SYRIA - Tags: CONFLICT) 

Ukrainian servicemen examine sniper rifles during the "Perspective 2012" military exercise of the Air Force, Army Aviation and High Mobility Airborne Force near Zhytomyr September 27, 2012. REUTERS/Gleb Garanich (UKRAINE - Tags: MILITARY) 

A Free Syrian Army sniper takes up position in the Seif El Dawla neighbourhood of Aleppo September 2, 2012. REUTERS/Youssef Boudlal (SYRIA - Tags: CONFLICT) 

Free Syrian Army fighters fire at Syrian army soldiers during clashes in the El Amreeyeh neighborhood of Syria's northwestern city of Aleppo August 30, 2012. REUTERS/Youssef Boudlal (SYRIA - Tags: CONFLICT TPX IMAGES OF THE DAY) 

A Free Syrian Army sniper takes his position at the Seif El Dawla neighbourhood in Aleppo August 27, 2012. REUTERS/Youssef Boudlal (SYRIA - Tags: POLITICS CIVIL UNREST) 

A Free Syrian Army fighter reacts after his friend was shot by Syrian Army soldiers during clashes in the Salah al-Din neighbourhood in central Aleppo in this August 4, 2012 file photo. The rebel's friend was killed from a very accurate Syrian army sniper who found a hole in between sandbags and fired. The sniper shot him in the chest. I just ran fast across the street and took the pictures in really bad light - strong highlights and dark shadows. This rebel was definitely close to the fighter who'd been shot. He was in bad shape and crying a lot. REUTERS/Goran Tomasevic/Files (SYRIA - Tags: CIVIL UNREST CONFLICT MILITARY POLITICS)

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A Free Syrian Army fighter fires his sniper rifle from a house in Aleppo in this August 14, 2012 file photo. Some fighters took position in the living room of a family house. One rebel sits on the chair eating a chocolate bar as the commander looks out the window to scout the area beside a rebel firing from the window. They told me it was a former Syrian army position and they had killed three soldiers in the house - I could see tracks of blood in the corridor - and taken over their position. There was no one else in the house, except the rebels. REUTERS/Goran Tomasevic/Files (SYRIA - Tags: CIVIL UNREST TPX IMAGES OF THE DAY)

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A Free Syrian Army fighter fires his sniper rifle in Aleppo August 14, 2012. REUTERS/Goran Tomasevic (SYRIA - Tags: CONFLICT) 

A Free Syrian Army fighter fires his sniper rifle in Aleppo August 14, 2012. REUTERS/Goran Tomasevic (SYRIA - Tags: CONFLICT TPX IMAGES OF THE DAY) 

A Free Syrian Army fighter fires his sniper rifle from a house in Aleppo August 14, 2012. REUTERS/Goran Tomasevic (SYRIA - Tags: CONFLICT TPX IMAGES OF THE DAY) FOR BEST QUALITY IMAGE SEE: GM2E88F00JH01 

A Free Syrian Army fighter aims his sniper rifle Aleppo August 14, 2012. REUTERS/Goran Tomasevic (SYRIA - Tags: CONFLICT TPX IMAGES OF THE DAY) 

A Free Syrian Army fighter fires his sniper rifle from a house in Aleppo August 14, 2012. REUTERS/Goran Tomasevic (SYRIA - Tags: CONFLICT TPX IMAGES OF THE DAY) BEST QUALITY AVAILABLE 

A Free Syrian Army sniper looks through the sight on his rifle inside a house in Aleppo August 13, 2012. REUTERS/Goran Tomasevic (SYRIA - Tags: CONFLICT) 

A Free Syrian Army sniper looks through the sight on his rifle inside a house in Aleppo August 13, 2012. REUTERS/Goran Tomasevic (SYRIA - Tags: CONFLICT TPX IMAGES OF THE DAY) 

A sniper from the Free Syrian Army takes position in Aleppo July 29, 2012. REUTERS/Obeida Al Naimi (SYRIA - Tags: POLITICS CONFLICT CIVIL UNREST MILITARY) 

A Free Syrian Army member rests at Aleppo's district of al Sukkari July 29, 2012. REUTERS/Zohra Bensemra (SYRIA - Tags: POLITICS CONFLICT CIVIL UNREST MILITARY) 

A child poses with a sniper rifle during the "The Great Strength of Mexico" army exhibition at the municipality of Escobedo, on the outskirts of Monterrey July 19, 2012. REUTERS/Daniel Becerril (MEXICO - Tags: MILITARY) 

An Afghan child looks on as U.S. Army Sergeant Andrew McMeley from 4th Platoon, Dagger Company of the 2nd Battalion, 12th Infantry Regiment watches a ridge with his sniper rifle while patrolling the town of Manugay in the Pech River valley of Afghanistan's Kunar Province June 26, 2012. REUTERS/Lucas Jackson (AFGHANISTAN - Tags: SOCIETY MILITARY CONFLICT) 

Sri Lankan army snipers in ghillie suits march during a War Victory parade in Colombo May 19, 2012. Sri Lanka on Saturday held a military parade and memorial for fallen soldiers to mark the third anniversary of the defeat of the Tamil Tigers, which ended a quarter-century civil war in the Indian Ocean nation. REUTERS/Dinuka Liyanawatte (SRI LANKA - Tags: MILITARY ANNIVERSARY) 

U.S. soldiers from 5-20 infantry Regiment attached to 82nd Airborne walk while on patrol in Zharay district in Kandahar province, southern Afghanistan April 24, 2012. REUTERS/Baz Ratner (AFGHANISTAN - Tags: MILITARY TPX IMAGES OF THE DAY) 

A fighter takes aim with a sniper rifle in Zuwara April 4, 2012. Four days of fighting between the rival communities around Zuwara have killed at least 16 people on both sides and hundreds wounded. The violence has exposed how volatile Libya remains, six months after a revolt last year ended Muammar Gaddafi's rule, and how the National Transitional Council (NTC), the interim leadership, is struggling to impose its authority. REUTERS/Anis Mili (LIBYA - Tags: POLITICS MILITARY CIVIL UNREST) ) 

A French Foreign Legion soldier loads his FAMAS assault rifle during a seven-day training course in anti-tank, sniper, and mortar weapons at the Surinamese Army's OP Savanna military base in district Brokopondo, December 15, 2011. Eighty French Foreign Legion soldiers of at least 25 different nationalities will return from their training on Friday to be stationed starting next week at France's Kourou Airspace centre in French Guiana. REUTERS/Ranu Abhelakh (SURINAME - Tags: MILITARY POLITICS)