Dennis Tynan was a police detective for the Seacouver P.D., he was a corrupt cop who worked for Sam Grinkhov, a Russian mobster.
After an immortal, Cory Raines, robbed Grinkhov's check cashing service for 1.4 million dollars, they tracked the thief. After finding out who stole the money, Tynan and Grinkhov kidnapped Amanda in order to hold her for the return of the money.
Raines arrived for the payoff, claiming to have an explosive in his case. Tynan, having no wish to die for Grinkhov, ran off.