Now back to our top story... Sherry West... the mother of Antonio Santiago ... says she tried to protect her child ..but De'Marquise Elkins shot her baby in the face. She pointed her finger at Elkins in the courtroom .... and told the jury he is the one who killed her son back in March. Channel 4's Tim Pulliam is in Cobb County with more on her emotional testimony. 3 It was a emotional testimony for Sherry West. And at times it was difficult for her to get through it.I could tell the jury was listening to it carefully..VO West testified that she was walking back home from the post office with Antonio that morning.She says two black males approached her -- pulled out a gun and demanded her purse several times. She says when she didn't comply he shot at her and then shot her baby in the face.She says the boys ran off as she was trying to perform CPR on Antonio.West says the shooter was tall, black, with full lips and wearing a red shirt.That night of the shooting, Sherry says police gave West a photo line up where she says she identified De'Marquise elkins.Today she came face to face with the person she believes murdered her baby.SOTTag During cross examination the defense gave sherry several photos to pick out the shooter. She picked Dominique Lang, the second murder suspect who is not on trial today.The defense also got her to admit she suffers from borderline personality disorder, bi polar disorder. PTSD, and Paranoia.West is still on the stand -- we'll have an update for you at 6pm.