In June 2019, Cynthia Hoffman was allegedly lured into the Alaskan woods by her reported best friend, Denali Brehmer, and then convinced to join Brehmer and a group of young men in a “duct tape game.” 

TELL DR. PHIL YOUR STORY: Are you involved in a story making headlines?
 
“My daughter, she just wanted to have friends. She just wanted to have fun,” he says of Cynthia, who had a slight disability. “My daughter would have went along with [the duct tape game], trusted Denali, because to her, it would have been funny, until she got her mouth duct-taped and her hands duct-taped.”

WATCH: ‘I Knew Something Happened Wrong In My Heart,’ Says Alaskan Dad Whose Teen Daughter Was Killed
 

In an exclusive interview with Dr. Phil airing Friday, Timothy details what authorities claim happened next to 19-year-old Cynthia, whom he calls “Daddy’s right-hand man,” in the video above. Do Timothy, and close family friend Michaela Kelly, who joins Timothy in the interview, believe Cynthia’s death was premeditated?
 
On Friday, Timothy claims that Denali lied to him about Cynthia’s death. Check here to see where you can watch.