A pro-democracy activist walks past pictures of abducted Thai activist Wanchalearm Satsaksit during a protest demanding the resignation of Thailand's Prime Minister Prayut Chan-o-cha in front of Royal Thai Army headquarters, in Bangkok, Thailand, July 20, 2020. REUTERS/Jorge Silva

Activists hold up pictures of abducted Thai activist Wanchalearm Satsaksit and flash a three fingers salute as people gather in support of him during a protest calling for an investigation, in front of the Government house in Bangkok, Thailand, June 12, 2020. REUTERS/Athit Perawongmetha

Activists hold up pictures of abducted Thai activist Wanchalearm Satsaksit as people gather in support of him during a protest calling for an investigation, in front of the Government house in Bangkok, Thailand, June 12, 2020. REUTERS/Athit Perawongmetha

Activists hold up pictures of abducted Thai activist Wanchalearm Satsaksit as people gather in support of him during a protest calling for an investigation, in front of the Government house in Bangkok, Thailand, June 12, 2020. REUTERS/Athit Perawongmetha

Activists hold up pictures of abducted Thai activist Wanchalearm Satsaksit as people gather in support of him during a protest calling for an investigation, in front of the Government house in Bangkok, Thailand, June 12, 2020. REUTERS/Athit Perawongmetha

Activists hold up pictures of abducted Thai activist Wanchalearm Satsaksit as people gather in support of him during a protest calling for an investigation, in front of the Government house in Bangkok, Thailand, June 12, 2020. REUTERS/Athit Perawongmetha

An activist holds up a picture of abducted Thai activist Wanchalearm Satsaksit as people gather in support of him during a protest calling for an investigation, in front of the Government house in Bangkok, Thailand, June 12, 2020. REUTERS/Athit Perawongmetha

A man holds up a sign as people gather in support of abducted Thai activist Wanchalearm Satsaksit during a protest calling for an investigation, in front of the Cambodian embassy in Bangkok, Thailand, June 8, 2020. REUTERS/Jorge Silva

People display signs in support of abducted Thai activist Wanchalearm Satsaksit during a protest calling for an investigation, in front of the Cambodian embassy in Bangkok, Thailand, June 8, 2020. REUTERS/Jorge Silva

People hold signs in support of abducted Thai activist Wanchalearm Satsaksit during a protest calling for an investigation, in front of the Cambodian embassy in Bangkok, Thailand, June 8, 2020. REUTERS/Jorge Silva

A woman holds a sign in support of abducted Thai activist Wanchalearm Satsaksit during a protest calling for an investigation, in front of the Cambodian embassy in Bangkok, Thailand, June 8, 2020. REUTERS/Jorge Silva

A woman holds a sign in support of abducted Thai activist Wanchalearm Satsaksit during a protest calling for an investigation, in front of the Cambodian embassy in Bangkok, Thailand, June 8, 2020. REUTERS/Jorge Silva

People hold signs in support of abducted Thai activist Wanchalearm Satsaksit during a protest calling for an investigation, in front of the Cambodian embassy in Bangkok, Thailand, June 8, 2020. REUTERS/Jorge Silva

People hold placards depicting abducted Thai activist Wanchalearm Satsaksit during a protest calling for an investigation, in front of the Cambodian embassy in Bangkok, Thailand, June 8, 2020. REUTERS/Jorge Silva

An activist holds a picture of Wanchalearm Satsaksit, 37, a Thai political activist who was abducted by unknown gunmen in front of his Phnom Penh apartment, during a protest for his disappearance in Bangkok, Thailand, June 5, 2020. REUTERS/Athit Perawongmetha

An activist holds a picture of Wanchalearm Satsaksit, 37, a Thai political activist who was abducted by unknown gunmen in front of his Phnom Penh apartment, during a protest for his disappearance in Bangkok, Thailand, June 5, 2020. REUTERS/Athit Perawongmetha

An activist holds a picture of Wanchalearm Satsaksit, 37, a Thai political activist who was abducted by unknown gunmen in front of his Phnom Penh apartment, during a protest for his disappearance in Bangkok, Thailand, June 5, 2020. REUTERS/Athit Perawongmetha

Members of the media take photo of a picture of Wanchalearm Satsaksit, 37, a Thai political activist who was abducted by unknown gunmen in front of his Phnom Penh apartment, during a protest for his disappearance in Bangkok, Thailand, June 5, 2020. REUTERS/Athit Perawongmetha

An activist lies flowers in front of a picture of Wanchalearm Satsaksit, 37, a Thai political activist who was abducted by unknown gunmen in front of his Phnom Penh apartment, during a protest for his disappearance in Bangkok, Thailand, June 5, 2020. REUTERS/Athit Perawongmetha

An activist lies flowers in front of a picture of Wanchalearm Satsaksit, 37, a Thai political activist who was abducted by unknown gunmen in front of his Phnom Penh apartment, in Bangkok, Thailand, June 5, 2020. REUTERS/Athit Perawongmetha

Italian Tommaso Perina shows a photo of his children after presenting a petition to the European Parliament to demand action against cases of so-called parental child abduction affecting Europeans living in Japan, in Brussels, Belgium February 19, 2020. REUTERS/Yves Herman

Italian Tommaso Perina shows a photo of his children after presenting a petition to the European Parliament to demand action against cases of so-called parental child abduction affecting Europeans living in Japan, in Brussels, Belgium February 19, 2020. REUTERS/Yves Herman

Frenchman Vincent Fichot shows a photo of his children Tsubasa and Kaede after presenting a petition to the European Parliament to demand action against cases of so-called parental child abduction affecting Europeans living in Japan, in Brussels, Belgium February 19, 2020. REUTERS/Yves Herman

Frenchman Vincent Fichot shows a photo of his children Tsubasa and Kaede after presenting a petition to the European Parliament to demand action against cases of so-called parental child abduction affecting Europeans living in Japan, in Brussels, Belgium February 19, 2020. REUTERS/Yves Herman

Frenchman Vincent Fichot shows a photo of his children Tsubasa and Kaede after presenting a petition to the European Parliament to demand action against cases of so-called parental child abduction affecting Europeans living in Japan, in Brussels, Belgium February 19, 2020. REUTERS/Yves Herman

Frenchman Vincent Fichot and Italian Tommaso Perina, who both became estranged from their children after their Japanese wives took them without consent, pose for Reuters after presenting a petition to the European Parliament to demand action against cases of so-called parental child abduction affecting Europeans living in Japan, in Brussels, Belgium February 19, 2020. REUTERS/Yves Herman

Frenchman Vincent Fichot and Italian Tommaso Perina, who both became estranged from their children after their Japanese wives took them without consent, pose for Reuters after presenting a petition to the European Parliament to demand action against cases of so-called parental child abduction affecting Europeans living in Japan, in Brussels, Belgium February 19, 2020. REUTERS/Yves Herman

Frenchman Vincent Fichot and Italian Tommaso Perina, who both became estranged from their children after their Japanese wives took them without consent, pose for Reuters after presenting a petition to the European Parliament to demand action against cases of so-called parental child abduction affecting Europeans living in Japan, in Brussels, Belgium February 19, 2020. REUTERS/Yves Herman

Media members of Sri Lanka hold placards of journalists at the "Black January" vigil to commemorate what organisers said are the killing and abductions of Sri Lankan journalists who have disappeared during the month of January in the past years, in Colombo, Sri Lanka January 28, 2020.REUTERS/Indunil Usgoda Arachchi

Sandhya Eknaligoda, wife of missing cartoonist and columnist Prageeth Eknaligoda, holds a candle at the "Black January" vigil to commemorate what organisers said are the killing and abductions of Sri Lankan journalists who have disappeared during the month of January in the past years, in Colombo, Sri Lanka January 28, 2020.REUTERS/Indunil Usgoda Arachchi

Tommaso Perina, a plaintiff in an unsuccessful class-action lawsuit by 'left-behind' parents of abducted children, stands in front of the Ministry of Justice building in Tokyo, Japan November 22, 2019. REUTERS/Chang-Ran Kim

Mexican soldiers close a gate at the area where investigators are digging in a garbage dump in search for the remains of the 43 abducted students of Ayotzinapa Teacher Training College in Tepecoacuilco, Guerrero, Mexico September 27, 2019. REUTERS/Carlos Jasso

Investigators search in a garbage dump for the remains of the 43 abducted students of Ayotzinapa Teacher Training College in Tepecoacuilco, Guerrero, Mexico September 27, 2019. REUTERS/Carlos Jasso

Mexico's undersecretary of Human Rights Alejandro Endugas walks with investigators at the area where the investigators dig in a garbage dump in search for remains of the 43 abducted students of Ayotzinapa Teacher Training College in Tepecoacuilco, Guerrero, Mexico September 27, 2019. REUTERS/Carlos Jasso

Investigators use an excavator to dig in a garbage dump in search for the remains of the 43 abducted students of Ayotzinapa Teacher Training College in Tepecoacuilco, Guerrero, Mexico September 27, 2019. REUTERS/Carlos Jasso

Investigators search in a garbage dump for the remains of the 43 abducted students of Ayotzinapa Teacher Training College in Tepecoacuilco, Guerrero, Mexico September 27, 2019. REUTERS/Carlos Jasso

Mexico's undersecretary of Human Rights Alejandro Endugas walks with investigators at the area of a garbage dump that is dug up in search for the remains of the 43 abducted students of Ayotzinapa Teacher Training College in Tepecoacuilco, Guerrero, Mexico September 27, 2019. REUTERS/Carlos Jasso

Investigators use an excavator to dig in a garbage dump in search for remains of the 43 abducted students of Ayotzinapa Teacher Training College in Tepecoacuilco, Guerrero, Mexico September 27, 2019. REUTERS/Carlos Jasso

Investigators use an excavator to dig in a garbage dump in search for the remains of the 43 abducted students of Ayotzinapa Teacher Training College in Tepecoacuilco, Guerrero, Mexico September 27, 2019. REUTERS/Carlos Jasso

Investigators search in a garbage dump for remains of the 43 abducted students of Ayotzinapa Teacher Training College in Tepecoacuilco, Guerrero, Mexico September 27, 2019. REUTERS/Carlos Jasso

Investigators use an excavator to dig in a garbage dump in search for remains of the 43 abducted students of Ayotzinapa Teacher Training College in Tepecoacuilco, Guerrero, Mexico September 27, 2019. REUTERS/Carlos Jasso

Mexico's undersecretary of Human Rights Alejandro Endugas walks with investigators at the area where the investigators dig in a garbage dump in search for remains of the 43 abducted students of Ayotzinapa Teacher Training College in Tepecoacuilco, Guerrero, Mexico September 27, 2019. REUTERS/Carlos Jasso

An investigator puts security tape at the entrance to an area where investigators dig in a garbage dump in search for remains of the 43 abducted students of Ayotzinapa Teacher Training College in Tepecoacuilco, Guerrero, Mexico September 27, 2019. REUTERS/Carlos Jasso

Mexican soldiers guard the area where investigators dig in a garbage dump in search for remains of the 43 abducted students of Ayotzinapa Teacher Training College in Tepecoacuilco, Guerrero, Mexico September 27, 2019. REUTERS/Carlos Jasso

Mexican soldiers guard the area where investigators dig in a garbage dump in search for remains of 43 students abducted in 2014 in Tepecoacuilco, Guerrero, Mexico September 27, 2019. REUTERS/Carlos Jasso

A Mexican soldier guards the area where investigators dig in a garbage dump in search for remains of the 43 abducted students of Ayotzinapa Teacher Training College in Tepecoacuilco, Guerrero, Mexico September 27, 2019. REUTERS/Carlos Jasso

Mexican soldiers guard the entrance where investigator dig in a garbage dump in search for remains of the 43 abducted students of Ayotzinapa Teacher Training College in Tepecoacuilco, Guerrero, Mexico September 27, 2019. REUTERS/Carlos Jasso

Investigators use an excavator to dig in a garbage dump in search for remains of the 43 abducted students of Ayotzinapa Teacher Training College in Tepecoacuilco, Guerrero, Mexico September 27, 2019. REUTERS/Carlos Jasso

A boy plays on a tree in Jufureh, Albreda, a town where slaves were abducted and shipped by slave traders in Gambia, July 19, 2019. The 400-year anniversary of the first slave boat to arrive in America from Africa has caused a rush of interest in heritage tourism in West Africa, as ancestors go back to ancient sites to delve into a dark and often hidden past. Picture taken July 19, 2019. REUTERS/Zohra Bensemra

The daughter of 23-year-old Jaybee Castor touches the image of her father printed on a t-shirt with words "Justice for Jaybee", during his funeral in Manila North Cemetery, Quezon City, Metro Manila, Philippines, July 18, 2019. Castor was abducted by unidentified masked men in June, and found dead several days later, with seven sachets of methamphetamine and a placard beside his body accusing him of being a drug addict. REUTERS/Eloisa Lopez

The father of 23-year-old Jaybee Castor mourns next to his casket before a funeral in his home in Caloocan City, Metro Manila, Philippines, July 18, 2019. Castor was abducted by unidentified masked men in June, and found dead several days later, with seven sachets of methamphetamine and a placard beside his body accusing him of being a drug addict. REUTERS/Eloisa Lopez

The father of 23-year-old Jaybee Castor rides on a hearse carrying his son's casket, during a funeral in Manila North Cemetery, Quezon City, Metro Manila, Philippines, July 18, 2019. Castor was abducted by unidentified masked men in June, and found dead several days later, with seven sachets of methamphetamine and a placard beside his body accusing him of being a drug addict. REUTERS/Eloisa Lopez

The wife of 23-year-old Jaybee Castor touches her husband's casket during a funeral in Manila North Cemetery, Quezon City, Metro Manila, Philippines, July 18, 2019. Castor was abducted by unidentified masked men in June, and found dead several days later, with seven sachets of methamphetamine and a placard beside his body accusing him of being a drug addict. REUTERS/Eloisa Lopez

The brother of 23-year-old Jaybee Castor mourns next to his casket before his funeral in Caloocan City, Metro Manila, Philippines, July 18, 2019. Castor was abducted by unidentified masked men in June, and found dead several days later, with seven sachets of methamphetamine and a placard beside his body accusing him of being a drug addict. REUTERS/Eloisa Lopez

The wife and children of 23-year-old Jaybee Castor sit beside his casket a few hours before a funeral in his home in Caloocan City, Metro Manila, Philippines, July 18, 2019. Castor was abducted by unidentified masked men in June, and found dead several days later, with seven sachets of methamphetamine and a placard beside his body accusing him of being a drug addict. REUTERS/Eloisa Lopez

Members of the media work next to family members of people abducted by North Korea, during their meeting with U.S. President Donald Trump at Akasaka Palace in Tokyo, Japan May 27, 2019. REUTERS/Jonathan Ernst TPX IMAGES OF THE DAY

Relatives hold photos of their family member who was abducted by North Korea, during a meeting with U.S. President Donald Trump and Japan's Prime Minister Shinzo Abe, at Akasaka Palace in Tokyo, Japan May 27, 2019. REUTERS/Jonathan Ernst

Relatives hold photos of their family member who was abducted by North Korea, during a meeting with U.S. President Donald Trump and Japan's Prime Minister Shinzo Abe, at Akasaka Palace in Tokyo, Japan May 27, 2019. REUTERS/Jonathan Ernst

U.S. President Donald Trump, first lady Melania Trump and Japan's Prime Minister Shinzo Abe meet with family members of people abducted by North Korea, at Akasaka Palace in Tokyo, Japan May 27, 2019. REUTERS/Jonathan Ernst

U.S. President Donald Trump and Japan's Prime Minister Shinzo Abe meet with family members of people abducted by North Korea, at Akasaka Palace in Tokyo, Japan May 27, 2019. REUTERS/Jonathan Ernst