'I want to know why': Cape Coral mother searches for son's killer nine years later

It's a murder case that remains cold to this day. Nine years ago on August 15, 2013, a Cape Coral mother got one of the worst calls any parent can get — that police found her son, 25-year-old Kyle Byrtus, dead in a field in Lehigh Acres. Fox 4's Kaitlin Knapp reports