Peter Van Sant

This is Lee Herron. She's a private investigator Mark hired after the incident. Lee said when Mark refused to cooperate, the officers wouldn't let him leave.

This is Lee Herron. She's a private investigator Mark hired after the incident. Lee said when Mark refused to cooperate, the officers wouldn't let him leave.

Mark told the deputies the box had been planted. They let him go, but from then on, Mark watched his back.

Mark told the deputies the box had been planted. They let him go, but from then on, Mark watched his back.

I'm Peter Van Sant. From 48 Hours, this is Trained to Kill. The dog trainer, the heiress, and the bodyguard. Episode 3, Secret Meetings. At the time Mark Stover was pulled over by police, Linda Updike said she had moved on from her ex-husband.

I'm Peter Van Sant. From 48 Hours, this is Trained to Kill. The dog trainer, the heiress, and the bodyguard. Episode 3, Secret Meetings. At the time Mark Stover was pulled over by police, Linda Updike said she had moved on from her ex-husband.

When 37-year-old Dr. Brian Stidham was found murdered in the parking lot outside his office on October 5th, 2004, it sent a chill through this desert metropolis.

When 37-year-old Dr. Brian Stidham was found murdered in the parking lot outside his office on October 5th, 2004, it sent a chill through this desert metropolis.

When 37-year-old Dr. Brian Stidham was found murdered in the parking lot outside his office on October 5th, 2004, it sent a chill through this desert metropolis.

Michael was Michael Oakes, a security expert. We spoke back in 2010.

Michael was Michael Oakes, a security expert. We spoke back in 2010.

For Detective Jill Murphy, the investigation began like any other.

For Detective Jill Murphy, the investigation began like any other.

For Detective Jill Murphy, the investigation began like any other.

Michael said they met at a Starbucks and quickly connected over their love of books. By the fall of 2008, Michael said their business relationship turned romantic.

Michael said they met at a Starbucks and quickly connected over their love of books. By the fall of 2008, Michael said their business relationship turned romantic.

At first glance, the well-known and respected pediatric eye surgeon appeared to be the victim of a random crime.

At first glance, the well-known and respected pediatric eye surgeon appeared to be the victim of a random crime.

At first glance, the well-known and respected pediatric eye surgeon appeared to be the victim of a random crime.

It wasn't far into her investigation that Detective Murphy discovered that Dr. Brian Stidham was adored by the Tucson community.