We are back at 7:44 with a shocking murder-for-hire plot. Rocking the music world right now, abc's so sell ya vega has the story. ♪ Reporter: They are a grammy nominated chart topping heavy... See More
We are back at 7:44 with a shocking murder-for-hire plot. Rocking the music world right now, abc's so sell ya vega has the story. ♪ Reporter: They are a grammy nominated chart topping heavy metal band with a christian twist. As I lay dying has sold more than a million albums. But this morning lead singer tim lambesis is behind bars accused of doing something very much against his religion, hiring a hit man to kill his estranged wife. Police say in april lambesis asked a man at his gym if he knew anyone who could pull off a murder for hire. That led to a sting operation in which the 32-year-old allegedly handed an undercover agent $1,000 in cash, a photo of his wife and her security gate code. Police say he even supplied an alibi, days when he would be away with their three adopted kids. When specifically asked do you want her dead, he said yes, that's exactly what I want. Reporter: On thursday lambesis pleaded not guilty. I would say it's probably a misinterpretation. In terms of actually wanting her dead, no. Reporter: It appears to have started when megan lambesis filed for divorce in september saying tim's behavior changed calling him unavailable to their kids and obsessed with bodybuilding. Videos online reveal lambesis' startling physical transformation seen here in 2008 showing his love of tattoos on "l.A. Ink" and buff here five years later. But this morning, the allegations are no laughing matter. The rocker who sang about his christian faith could now face nine years in prison. For "good morning america," cecilia vega, abc news, los angeles.
This transcript has been automatically generated and may not be 100% accurate.