U.S. President Barack Obama leads mourners in singing the song "Amazing Grace" as he delivers a eulogy in honor of the Rev. Clementa Pinckney during funeral services for Pinckney in Charleston, South Carolina June 26, 2015. Pinckney is one of nine victims of a mass shooting at the Emanuel African Methodist Episcopal Church. REUTERS/Brian Snyder TPX IMAGES OF THE DAY

U.S. President Barack Obama leads mourners in singing the song "Amazing Grace" as he delivers a eulogy in honor of the Rev. Clementa Pinckney during funeral services for Pinckney in Charleston, South Carolina June 26, 2015. Pinckney is one of nine victims of a mass shooting at the Emanuel African Methodist Episcopal Church. REUTERS/Jonathan Ernst TPX IMAGES OF THE DAY)

Malana Pinckney, daughter of Reverand Clementa Pinckney, is hugged by her mother Jennifer at the start of her father's funeral at the Emanuel African Methodist Episcopal Church in Charleston, South Carolina June 26, 2015. REUTERS/Jonathan Ernst TPX IMAGES OF THE DAY

U.S. President Barack Obama speaks behind the coffin of the Rev. Clementa Pinckney during funeral services for Pinckney in Charleston South Carolina June 26, 2015. Pinckney is one of nine victims of a mass shooting at the Emanuel African Methodist Episcopal Church. REUTERS/Brian Snyder 

Reverand Clementa Pinckney's widow Jennifer (2NDL) and daughters Eliana (C) and Malana (R) are escorted into funeral services for the Rev. Clementa Pinckney in Charleston South Carolina June 26, 2015. Pinckney was one of nine victims of a mass shooting at the Emanuel African Methodist Episcopal Chruch. REUTERS/Jonathan Ernst

Members of the choir walk from the Emanuel African Methodist Episcopal Church (rear) to the funeral for the Reverend Clementa Pinckney in Charleston, South Carolina June 26, 2015. South Carolina will take a step forward in healing the wounds of last week's mass shooting when President Barack Obama arrives on Friday to deliver the eulogy for Pinckney, the pastor of the historic church where the attack took place. Pinckney was one of the nine victims of the mass shooting at the church. REUTERS/Brian Snyder 

U.S. President Barack Obama and first lady Michelle Obama arrive at their seats for the funeral service of Rev. Clementa Pinckney at Emanuel Methodist Church in Charleston, South Carolina June 26, 2015. REUTERS/Jonathan Ernst 

Mourners sing along with the choir ahead of funeral services for the Reverend Clementa Pinckney in Charleston, South Carolina June 26, 2015. Pinckney is one of the nine victims of the mass shooting at the Emanuel African Methodist Episcopal Church. REUTERS/Brian Snyder 

U.S. House Majority Whip Steve Scalise, Majority Leader Kevin McCarthy and Speaker of the House John Boehner (L-R) attend
funeral services for the Rev. Clementa Pinckney in Charleston South Carolina June 26, 2015. Pinckney was one of nine victims of a mass shooting at the Emanuel African Methodist Episcopal Church. REUTERS/Jonathan Ernst

Reverand Clementa Pinckney's widow Jennifer (C) and daughter Eliana arrive for his funeral services in Charleston South Carolina June 26, 2015. Pinckney was one of nine victims of a mass shooting at the Emanuel African Methodist Episcopal Church. REUTERS/Jonathan Ernst

The copper topped vault is adorned with a cross as mourners start to show at the burial of Reverend Clementa Pinckney at the St James AME Church in Marion, South Carolina June 26, 2015. Reverend Pinckney, a widely admired state senator and pastor of Charleston's Emanuel African Methodist Episcopal Church, was among the nine people who died when a gunman opened fire during Bible study. REUTERS/Randall Hill

U.S. President Barack Obama bends down to hug Malana Pinckney after completing his eulogy for her father Rev. Clementa Pinckney during funeral services for Pinckney in Charleston, South Carolina June 26, 2015. Pinckney is one of nine victims of a mass shooting at the Emanuel African Methodist Episcopal Church. REUTERS/Jonathan Ernst

South Carolina Governor Nikki Haley
(R) is seated for funeral services for the Rev. Clementa Pinckney in Charleston South Carolina June 26, 2015. Pinckney was one of nine victims of a mass shooting at the Emanuel African Methodist Episcopal Chruch. REUTERS/Brian Snyder 

A woman wears an "Emanuel 9" ribbon to the funeral for the Reverend Clementa Pinckney in Charleston, South Carolina June 26, 2015. South Carolina will take a step forward in healing the wounds of last week's mass shooting when President Barack Obama arrives on Friday to deliver the eulogy for Pinckney, the pastor of the historic church where the attack took place. Pinckney was one of the nine victims of the mass shooting at the church. REUTERS/Brian Snyder 

A South Carolina Highway Patrol honor guard stands next to the casket of the Reverend Clementa Pinckney before his funeral in Charleston, South Carolina June 26, 2015. Pinckney is one of the nine victims of the mass shooting at the Emanuel African Methodist Episcopal Church. REUTERS/Brian Snyder 

A mourner raises her hands as the choir sings ahead of funeral services for the Reverend Clementa Pinckney in Charleston, South Carolina June 26, 2015. Pinckney is one of the nine victims of the mass shooting at the Emanuel African Methodist Episcopal Church. REUTERS/Brian Snyder 

A mourner wipes away a tear during funeral services for the Reverend Clementa Pinckney in Charleston, South Carolina June 26, 2015. Pinckney is one of the nine victims of the mass shooting at the Emanuel African Methodist Episcopal Church. REUTERS/Brian Snyder 

Mourners gather for the funeral for the Reverend Clementa Pinckney in Charleston, South Carolina June 26, 2015. Pinckney is one of the nine victims of the mass shooting at the Emanuel African Methodist Episcopal Church. REUTERS/Brian Snyder 

Mourners pray as thousands begin to fill the TD Arena in Charleston, South Carolina, June 26, 2015. South Carolina will take a step forward in healing the wounds of last week's mass shooting when President Barack Obama arrives on Friday to deliver the eulogy for Pinckney, the pastor of the historic church where the attack took place. Pinckney was one of the nine victims of the mass shooting at the church. REUTERS/Grace Beahm/Pool 

Minister arrive for the funeral services for the Reverend Clementa Pinckney in Charleston, South Carolina June 26, 2015. Pinckney is one of the nine victims of the mass shooting at the Emanuel African Methodist Episcopal Church. REUTERS/Brian Snyder 

Members of the public line up for the funeral for the Reverend Clementa Pinckney in Charleston, South Carolina June 26, 2015. South Carolina will take a step forward in healing the wounds of last week's mass shooting when President Barack Obama arrives on Friday to deliver the eulogy for Pinckney, the pastor of the historic church where the attack took place. Pinckney was one of the nine victims of the mass shooting at the church. REUTERS/Brian Snyder 

Jennifer Pinckney (R), with her daughter Malana (C), arrives for funeral services for her husband, the Reverend Clementa Pinckney, in Charleston, South Carolina June 26, 2015. Pinckney is one of the nine victims of the mass shooting at the Emanuel African Methodist Episcopal Church. REUTERS/Brian Snyder 

Mourners gather for the funeral for the Reverend Clementa Pinckney in Charleston, South Carolina June 26, 2015. Pinckney is one of the nine victims of the mass shooting at the Emanuel African Methodist Episcopal Church. REUTERS/Brian Snyder 

Members of the public line up for the funeral for the Reverend Clementa Pinckney in Charleston, South Carolina June 26, 2015. South Carolina will take a step forward in healing the wounds of last week's mass shooting when President Barack Obama arrives on Friday to deliver the eulogy for Pinckney, the pastor of the historic church where the attack took place. Pinckney was one of the nine victims of the mass shooting at the church. REUTERS/Brian Snyder? 

U.S. Democratic presidential candidate Hillary Clinton (L) talks with first lady Michelle Obama and President Barack Obama after the conclusion of funeral services for Rev. Clementa Pinckney in Charleston, South Carolina June 26, 2015. Pinckney was one of nine victims of a mass shooting at the Emanuel African Methodist Episcopal Church. REUTERS/Jonathan Ernst 

Members of the clergy arrive for the funeral of the Reverend Clementa Pinckney in Charleston, South Carolina June 26, 2015. South Carolina will take a step forward in healing the wounds of last week's mass shooting when President Barack Obama arrives on Friday to deliver the eulogy for Pinckney, the pastor of the historic church where the attack took place. Pinckney was one of the nine victims of the mass shooting at the church. REUTERS/Brian Snyder 

Reverends Al Sharpton (L) and Jesse Jackson talk before funeral services for the Reverend Clementa Pinckney in Charleston, South Carolina June 26, 2015. Pinckney is one of the nine victims of the mass shooting at the Emanuel African Methodist Episcopal Church. REUTERS/Brian Snyder 

Mourners gather for the funeral for the Reverend Clementa Pinckney in Charleston, South Carolina June 26, 2015. Pinckney is one of the nine victims of the mass shooting at the Emanuel African Methodist Episcopal Church. REUTERS/Brian Snyder 

Mourners pray during funeral services for the Rev. Clementa Pinckney in Charleston South Carolina June 26, 2015. Pinckney was one of nine victims of a mass shooting at the Emanuel African Methodist Episcopal Church. REUTERS/Brian Snyder

A family member cries as she sees the hundreds of supporters waving flags at the burial of Reverend Clementa Pinckney at the St James AME Church in Marion, South Carolina June 26, 2015. Reverend Pinckney, a widely admired state senator and pastor of Charleston's Emanuel African Methodist Episcopal Church, was among the nine people killed when a gunman opened fire during Bible study last week. REUTERS/Randall Hill
TPX IMAGES OF THE DAY

Family friend Kendrell Heriot, 11, of Gresham, South Carolina, holds an American flag before the start of the burial service of Reverend Clementa Pinckney at the St James AME Church Cemetery in Marion, South Carolina June 26, 2015. Reverend Pinckney, a widely admired state senator and pastor of Charleston's Emanuel African Methodist Episcopal Church, was among the nine people who died when a gunman opened fire during Bible study. REUTERS/Randall Hill

Pallbearers carry the casket of Reverend Clementa Pinckney during his burial at the St James AME Church Cemetery in Marion, South Carolina June 26, 2015. Reverend Pinckney, a widely admired state senator and pastor of Charleston's Emanuel African Methodist Episcopal Church, was among the nine people killed when a gunman opened fire during Bible study last week. REUTERS/Randall Hill

Mourners find a spot of shade as they wait for hours in the heat before the burial of Reverend Clementa Pinckney at the St James AME Church Cemetery in Marion, South Carolina June 26, 2015. Reverend Pinckney, a widely admired state senator and pastor of Charleston's Emanuel African Methodist Episcopal Church, was among the nine people killed when a gunman opened fire during Bible study last week. REUTERS/Randall Hill

A rose is left on the casket during the burial of Reverend Clementa Pinckney at the St James AME Church Cemetery in Marion, South Carolina June 26, 2015. Reverend Pinckney, a widely admired state senator and pastor of Charleston's Emanuel African Methodist Episcopal Church, was among the nine people killed when a gunman opened fire during Bible study last week. REUTERS/Randall Hill

Jennifer Pinckney (C) accepts a rose at the burial of her husband Reverend Clementa Pinckney at the St James AME Church Cemetery in Marion, South Carolina June 26, 2015. Reverend Pinckney, a widely admired state senator and pastor of Charleston's Emanuel African Methodist Episcopal Church, was among the nine people killed when a gunman opened fire during Bible study last week. REUTERS/Randall Hill