Which term is used to describe an individual who kills repeatedly and obsessively?

• A. Contract killer
• B. Mass murderer
• C. Serial killer
• D. Spree killer

Answer: (C)

Verified step by step guidance

1. Step 1: Understand the definitions of each term related to types of killers in psychology and criminology.
2. Step 2: Define 'Contract killer' as someone who kills for payment, usually targeting specific individuals, but not necessarily repeatedly or obsessively.
3. Step 3: Define 'Mass murderer' as an individual who kills multiple people in a single event or short time frame, not spread out over time.
4. Step 4: Define 'Spree killer' as someone who kills multiple victims in different locations over a short period without a cooling-off period.
5. Step 5: Define 'Serial killer' as an individual who kills multiple people over an extended period, with a psychological compulsion or obsession, and usually with cooling-off periods between murders.