US teen guilty of killing baby in stroller US teen De'Marquise Elkins was found guilty of murdering a 13-month-old boy in a stroller. AN 18-year-old US man was convicted of murder in the shooting of a baby who was riding in a stroller alongside his mother in a town in coastal Georgia. Jurors deliberated for about two hours before finding De'Marquise Elkins guilty in the March 21 killing of 13-month-old Antonio Santiago in Brunswick. De'Marquise Elkins' lawyer asked for bond for his client while they appealed, which a judge denied. Prosecutors said Elkins killed Antonio in an attempted robbery. The baby's mother, Sherry West, also was shot. Another teen, 15-year-old Dominique Lang, is also charged with murder in the case and is set to be tried later. Sherry West testified during the two-week trial that she was walking home from the post office with 13-month-old Antonio Santiago in a stroller on the morning of March 21. She said a gunman demanding her purse shot her baby in the face after she told him she had no money. Prosecutors said 18-year-old De'Marquise Elkins and an accomplice, 15-year-old Dominique Lang, are the ones who stopped West. Prosecutors say the older teen pointed a small .22-calibre revolver at West and demanded money. When West refused several times to turn over the money, Elkins fired a warning shot and then shot West in the leg and shot the baby between the eyes, prosecutors said. The killing in the port city of Brunswick drew national attention, and the trial was moved to the Atlanta suburb of Marietta because of the extensive publicity locally. Karimah Elkins' sister also was charged with evidence tampering.