The father of the teenager admits feeling partly responsible for his 17-year-old son’s death. The father of a teen slain in a Hermitage apartment complex feels responsible for not averting his son’s death as authorities hunt for the perpetrators. Ricky McGlothen regrets not preventing the tragedy and is now left with only a makeshift memorial where his son once stood. He described the profound shock he experienced upon receiving the devastating phone call on March 23. Metro Nashville Police said a group of three people pulled up to the apartment…