Nightfall (1999)

FBI agent Jack Talbot is having a rough week. While investigating a bloody trail of punctured corpses, he draws an unbelievable conclusion: there is an army of vicious vampires loose in Seattle! He is in hot pursuit of the cold bloodsuckers when his partner is killed by the head undead. Now Jack must raise the stakes and go after the bloodthirsty nightstalker in an intense, heart-stopping finale that will leave you drained!