In this photo provided by the Nelson Mandel Foundation on Tuesday, June 21, 2011, US First Lady Michelle Obama centre, accompanied by her daughters, Malia, left and Sasha, meet former South African President Nelson Mandela, at this home, in Houghton, South Africa. First lady Michelle Obama and her family met with Nelson Mandela during a private visit at the former South African president's home. Mrs. Obama, daughters Malia and Sasha, and her mother, Marian Robinson, were viewing some of Mandela's personal papers at his foundation Tuesday when according to White House officials, he sent word that he wanted to meet them. It was Mrs. Obama's first meeting with the prisoner-turned-president. (AP Photo/ Debbie Yazbek, Nelson Mandela Foundation)

Florescu Viorel for News

Kim Crawford, 21, is charged with murdering her son, after 5-year-old Jamar Johnson was discovered to have died from blunt trauma to the chest.

A Bronx mom said she beat her 5-year-old son to death because he broke the television while playing Nintendo Wii, prosecutors said Monday.

Kim Crawford, 21, smacked Jamar Johnson in his back and stomach on June 13 "harder than I've ever hit him," she told cops.