David , 29 , is found dead in a luxury apartment building in New York City . He had cuts , burns and visible bruising , authorities say . The child was found unconscious and unresponsive with visible bruising , cuts to his arms and legs and burns to his body , said Detective Markowski . His baby sister , 28 , has been arrested , but she has not been charged , police say .
David , 29 , is found dead in a luxury apartment building in New York City . He had cuts , burns and visible bruising , authorities say . His baby sister , 28 , has been arrested , but she has not been charged , police say .