### Question
How is the "serial killings" defined?


### Answer
The term **serial killings** is defined in *28 U.S.C. § 540B* as follows -

> 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**

