Troy Roberts

Movie's over. We can write it all down. Detective Clark was relentless, taking Twitchell on a tour of his old neighborhood.

But Twitchell remained silent. So police kept searching on their own, looking in sewer after sewer.

But Twitchell remained silent. So police kept searching on their own, looking in sewer after sewer.

But Twitchell remained silent. So police kept searching on their own, looking in sewer after sewer.

Weeks, then months passed, and still no luck. Frustrated, police would pay Twitchell many visits at the jail, where he awaited trial, trying to get it out of him. Then on June 3rd, 2010, a year and a half after Johnny Altinger disappeared, the homicide unit received a call.

Weeks, then months passed, and still no luck. Frustrated, police would pay Twitchell many visits at the jail, where he awaited trial, trying to get it out of him. Then on June 3rd, 2010, a year and a half after Johnny Altinger disappeared, the homicide unit received a call.

Weeks, then months passed, and still no luck. Frustrated, police would pay Twitchell many visits at the jail, where he awaited trial, trying to get it out of him. Then on June 3rd, 2010, a year and a half after Johnny Altinger disappeared, the homicide unit received a call.

But did the filmmaker have one last plot twist? Nearly two years after his arrest, Mark Twitchell was finally ready to break his silence about the whereabouts of Johnny Altinger's body.

But did the filmmaker have one last plot twist? Nearly two years after his arrest, Mark Twitchell was finally ready to break his silence about the whereabouts of Johnny Altinger's body.

But did the filmmaker have one last plot twist? Nearly two years after his arrest, Mark Twitchell was finally ready to break his silence about the whereabouts of Johnny Altinger's body.

So detectives met Twitchell in jail, where he gave them a Google map to the location where they would find the remains.

So detectives met Twitchell in jail, where he gave them a Google map to the location where they would find the remains.

So detectives met Twitchell in jail, where he gave them a Google map to the location where they would find the remains.

Police followed the map to an alleyway, ironically, just a half block away from where they had stopped their search.

Police followed the map to an alleyway, ironically, just a half block away from where they had stopped their search.

Police followed the map to an alleyway, ironically, just a half block away from where they had stopped their search.

For Johnny's brother, Gary, the news was devastating.

For Johnny's brother, Gary, the news was devastating.

For Johnny's brother, Gary, the news was devastating.

In March 2011, Gary Altinger faced his brother's accused killer in court. Edmonton Crown Prosecutors Avril Inglis and Lawrence Van Dyke had a lot to work with.