S05:E05 - Burning Ambition

When Seattle policeman Matt Bachmeier's house goes up in flames, fire experts suspect arson, possibly committed by someone with a vendetta against the officer. One month later, the officer whose home was torched, arrests low-level drug dealer James Wren, who confesses to the arson. But when the suspect vanishes, investigators start to question the authenticity of the so-called confession.