I won’t believe it’s dead until it’s buried at the crossroads with a stake through its heart.
See its because of people like you that the US is full of vengeful vampires.
That only works for some western vampires.
This is California therefor there is likely Chinese money involved in the ban and likely then a jiangshi.
Your best bet is to nail seven jujube seeds into the acupuncture points on the back of the corpse.