Conversation so far:
what did btk killer do for a living
The BTK Killer Dennis Rader worked as an assembler for the Coleman Company, an outdoor supply company.
why is the btk killer named so
Bill Rader gave himself the name BTK (for bind, torture, kill).
how many did the btk killer kill
The BTK Killer was convicted on 10 counts of murder.

Question: where is the killer now
Self-contained rewrite: where is the btk killer now