Marked — Norah McClintock

When Colin accepts the job to clean up the graffiti in an upscale neighborhood he worries that he might be targeted by gangs. But he didn't expect to become a suspect in a series of robberies. Every time he is sent to clean up graffiti, the police are nearby investigating a crime. Colin knows he's done nothing wrong, but even he acknowledges his presence at the crime scenes looks suspicious. The only way he can clear his name is to figure out what is really going on.

Also available in French.