### Question
Can you define what serial killings means?


### Answer
**Serial killings** is defined as the following in *28 U.S.C. § 540B*:

> a series of three or more killings, not less than one of which was committed within the United States, having common characteristics such as to suggest the reasonable possibility that the crimes were committed by the same actor or actors

#### Citation:
  - *28 U.S.C. § 540B*
  - Heading: **PART II-DEPARTMENT OF JUSTICE > CHAPTER 33-FEDERAL BUREAU OF INVESTIGATION**

