How to use "killers" in a sentence

However, today we know that serial killers do not often commit suicide

Apparently, Tom couldn't conceive that burglars, psychopathic killers, and other lowlifes were permitted to purchase a Mercedes-Benz if they had the money for it

"Why would he cooperate with these killers? Why would he violate his oath of office?"

It's here we've got killers hunting us."

None of these people had to worry about professional killers, bizarre conspiracies, gas-company men who were not gas-company men, silencer-equipped pistols, exhumations

"Except we're locked in, and the killers are running around loose on the outside."

His targets had always been spies, traitors; more than a few of them had been cold-blooded killers themselves