Monster killed infant in jealous rage then tried to frame autistic son: prosecutors

A demented Washington, DC, man allegedly beat his girlfriend’s infant to death in a jealous fit of rage and tried pinning the horrific slaying on his 6-year-old autistic and nonverbal son, prosecutors allege.Demetrius Beatty, 40, was charged Tuesday with killing the 2-month-old girl — weeks after the fatal beating that cops say he previously warned the child’s mother he would carry out if she left her babies alone with him.The disturbing slaughter occurred on Aug.16 at Beatty’s New Jersey Avenue home, where cops arrived to find him holding the severely injured and unresponsive baby in his arms, according to an arrest affidavit.Beatty tried laying the groundwork to frame his little boy before police even arrived, claiming his “autistic son” attacked baby Khamyah Honesty in a bungling 911 call — in which he gave them the incorrect apartment unit and the wrong age for his son, police said.“I guess my autistic son got to the 2-month-year-old daughter and was fighting her and he damaged her pretty good.

Her face is swollen, her nose is bleeding.I need help quick,” Beatty said, according to the documents.“I stepped out in the hallway for a second with the other kids and he was in there by himself.

Him and her.And he attacked her.” The admitted drug-using stepfather — who was watching baby Khamyah, her twin sister, and three other children — allegedly told an officer he was outside the apartment when he heard a thumping.

When he returned, he claimed he found the baby “on the f–king floor face down,” with his son clapping and smiling next to her, officials said.“I know my son, he gets into something,” Beatty said, according to the documents, later saying: “He beat that girl ass.”He also told cops his autistic son showed “negative behavior toward his siblings” because he thought his father loved them more, often hit himself and that the boy was “out of this world strong.”When the officer asked the child’s name, Beatty inco...