They believe Neil is the killer and has come to the party to continue his spree.
From the en.wikipedia.org
Does this make him a convicted serial killer, spree killer, or mass murderer?
From the en.wikipedia.org
Yilmaz was the first gun-wielding Dutch spree killer.
From the en.wikipedia.org
Harman is the first gun-wielding Slovak spree killer.
From the en.wikipedia.org
The FBI gave two Granite City residents $5,000 each for their role in the arrest of accused spree killer Nicholas Sheley.
From the stltoday.com
Guitarradio has yet to provide any reliable sources in which a historian calls Turner a serial killer or a spree killer.
From the en.wikipedia.org
A spree killer is someone who embarks on a murderous assault on two or more victims in a short time in multiple locations.
From the en.wikipedia.org
A serial killer or spree killer responsible for the murders of five women in Ipswich gained notoriety in late 2006, as the Ipswich Murderer.
From the en.wikipedia.org
So Karloff plays a hammy old horror star, tangentially connected to a character based on the Texan spree killer Charles Whitman, in a chilling but witty discourse on American life and the movies.