Who's the killer?

Who's the killer? a song by Rescüe Cat on BeMusic

Enter the sewer trap by Norman Bates,
Who's the killer? by Norman Bates,
Soft/quiet/cruel by Norman Bates,
End me, coward by Norman Bates,
Malice practice by Norman Bates,
My own demise by Norman Bates,
Mother to no one by Norman Bates,
Flesh & weapon by Norman Bates,