杀人狂魔 meaning in English

licence to kill
maniac

What kind of person is this scary " crazed murderer "
这样一个令人不寒而栗的“杀人狂魔”到底是个什么样的人？
A psycho killer
一个杀人狂魔
In 1973 , police were dispatched to a remote farmhouse in texas and made chilling discovery the butchered remains of 33 people . the horrifying scene , considered by many be the most gruesome mass murder case of all time , shocked the country and generated sensational headlines newspapers nationwide
一九七三年，警方在德州一所荒废农庄内，发现三十三具被残害至死的尸体，死状恐怖，行凶者正是一个戴著以死者人皮做成恐怖面具手持电锯的杀人狂魔。