Cell phone data helped solve Egypt Covington’s murder, but experts say the tool will soon be off-limits

The homicide investigation was stalled. Police in the Michigan township of Van Buren had identified a person of interest in the 2017 killing of Egypt Covington, but by 2020, there had been no arrests. Frustrated, her brother and his now-wife began pushing local authorities to hand off the case to state investigators.That summer, after a protest over the lack of progress and persistent advocacy from the couple, Michigan State Police took over and began unraveling the horrific mystery of who entered Covington’s home, bound her with Christmas lights and fired a single bullet into a pillow…