One of two teenage girls killed last week in northern Indiana made a recording of the voice of a suspect in their deaths. Indiana State Police played a clip of the man saying “down the hill” during a Wednesday news conference. Capt. David Bursten says the audio came from 14-year-old Liberty German’s cellphone and that she also captured a man’s image. Liberty and 13-year-old Abigail Williams were killed Feb. 13.