SALT LAKE CITY (AP) — A Utah man pleaded guilty Tuesday to fatally shooting his mother and three siblings when he was a teenager in 2020. Colin “CJ” Haynie, who is now 19 and goes by his middle name of Jeffery, killed his mother and one of his sisters as they returned from her school pickup, then waited for two more siblings to arrive home and killed them, prosecutors said. His father came back to