FILE - This undated file family photo provided by Damon Stewart shows 15-year-old Hadiya Pendleton of Chicago who was was shot Jan. 29, 2013 while she talked with friends in a park about a mile from President Barack Obama’s Chicago home. First Lady Michelle Obama will join some of Illinois’ most recognizable politicians and clergy to mourn the 15-year-old honor student whose death has drawn attention to staggering gun violence in the nation’s third-largest city. (AP Photo/Courtesy of Damon Stewart, File)

FILE - This undated file family photo provided by Damon Stewart shows 15-year-old Hadiya Pendleton of Chicago who was was shot Jan. 29, 2013 while she talked with friends in a park about a mile from President Barack Obama’s Chicago home. First Lady Michelle Obama will join some of Illinois’ most recognizable politicians and clergy to mourn the 15-year-old honor student whose death has drawn attention to staggering gun violence in the nation’s third-largest city. (AP Photo/Courtesy of Damon Stewart, File)

The remains of Hadiya Pendleton are taken to her final resting place at the Cedar Park Cemetery Saturday, Feb. 9, 2013, in Calumet Park, Ill. Pendleton was killed on Jan. 29, when a gunman opened fire on her and some friends seeking shelter in a park from the rain about a mile from President Obama's Chicago home. First lady Michelle Obama attended the funeral with Senior White House Adviser Valerie Jarrett and Secretary of Education Arne Duncan. (AP Photo/Charles Rex Arbogast)

A mourner reacts as she sits outside the Greater Harvest Missionary Baptist Church during the funeral service of Hadiya Pendleton Saturday, Feb. 9, 2013, in Chicago. Hundreds of mourners and dignitaries including first lady Michelle Obama packed the funeral service Saturday for a Chicago teen whose killing catapulted her into the nation's debate over gun violence. (AP Photo/Nam Y. Huh)

A mourner holds up a program for the funeral of Hadiya Pendleton, outside the Greater Harvest Missionary Baptist Church during the funeral service of Hadiya Pendleton Saturday, Feb. 9, 2013, in Chicago. Hundreds of mourners and dignitaries including first lady Michelle Obama packed the funeral service Saturday for a Chicago teen whose killing catapulted her into the nation's debate over gun violence. (AP Photo/Nam Y. Huh)

Mourners read a program for the funeral of Hadiya Pendleton inside a car of outside the Greater Harvest Missionary Baptist Church after the funeral service of Hadiya Pendleton Saturday, Feb. 9, 2013, in Chicago. Hundreds of mourners and dignitaries including first lady Michelle Obama packed the funeral service Saturday for a Chicago teen whose killing catapulted her into the nation's debate over gun violence. (AP Photo/Nam Y. Huh)

Danyia Bell, left 16, and Artureana Terrell , 16, react as they read a program for the funeral of Hadiya Pendleton outside the Greater Harvest Missionary Baptist Church after the funeral service of Hadiya Pendleton Saturday, Feb. 9, 2013, in Chicago. Hundreds of mourners and dignitaries including first lady Michelle Obama packed the funeral service Saturday for a Chicago teen whose killing catapulted her into the nation's debate over gun violence. (AP Photo/Nam Y. Huh)

A casket holding the body of Hadiya Pendleton is moved to a hearse after her funeral at the Greater Harvest Missionary Baptist Church on Saturday, Feb. 9, 2013, in Chicago. Hundreds of mourners and dignitaries including first lady Michelle Obama packed the funeral service Saturday for a Chicago teen whose killing catapulted her into the nation's debate over gun violence. (AP Photo/Nam Y. Huh)

A hearse carrying the casket of Hadiya Pendleton waits outside the Greater Harvest Missionary Baptist Church on Saturday, Feb. 9, 2013, in Chicago. Hundreds of mourners and dignitaries including first lady Michelle Obama packed the funeral service Saturday for a Chicago teen whose killing catapulted her into the nation's debate over gun violence. (AP Photo/Nam Y. Huh)

First lady Michelle Obama, left and White House senior adviser Valerie Jarrett arrive for the funeral for Hadiya Pendleton at the Greater Harvest Missionary Baptist Church Saturday, Feb. 9, 2013, in Chicago. The shooting death of the 15-year-old honor student has drawn attention to the staggering gun violence in the nation's third-largest city. (AP Photo/Charles Rex Arbogast)

Danyia Bell, left, 16, and Artureana Terrell, 16, react as they read a program for the funeral of Hadiya Pendleton outside the Greater Harvest Missionary Baptist Church after the service, Saturday, Feb. 9, 2013, in Chicago. Hundreds of mourners and dignitaries including first lady Michelle Obama packed the funeral service Saturday for a Chicago teen whose killing catapulted her into the nation's debate over gun violence. (AP Photo/Nam Y. Huh)

Mourners view the remains of 15-year-old Hadiya Pendleton at the Calahan Funeral Home Friday, Feb. 8, 2013, in Chicago. A White House official says Michelle Obama will attend Saturday's funeral for Pendleton, who was killed after returning home from performing during inauguration festivities for President Barack Obama. Hadiya was killed in a park close to the Obamas' home on Chicago's South Side. Police say a gunman hopped a fence and opened fire on a group of young people, killing the drum majorette. No arrests have been made. (AP Photo/Charles Rex Arbogast, Pool)