The Brief A 21-year-old man was arrested for allegedly strangling his infant sister. Court documents state that the suspect used a charging cord to strangle the baby. A 21-year-old man is accused of strangling his infant sister. FOX 5 obtained court documents that say the infant was found unresponsive with a white charging cable around her neck. According to court documents, he contacted a friend for a ride and apparently told the friend he was "playing with his sister and may have killed her."