thrill killer

idiomatic

(idiomatic) A murderer who is motivated by a strong personal desire to have a very exciting experience.

Japanese Meaning

スリルを求める殺人鬼：非常に刺激的な体験を得るための強い個人的欲求に駆られて殺人を犯す者

The notorious thrill killer confessed that he couldn't resist the adrenaline rush of stalking strangers.

その悪名高いスリルを求める殺人者は、見知らぬ人を尾行するアドレナリンの高揚に抗えなかったと自白した。

Sense（1）

(idiomatic) A murderer who is motivated by a strong personal desire to have a very exciting experience.

thrill killers

（ plural ）