# John Duffy and David Mulcahy

> British serial killers (railway killers)

**Wikidata**: [Q6230294](https://www.wikidata.org/wiki/Q6230294)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_Duffy_and_David_Mulcahy)  
**Source**: https://4ort.xyz/entity/john-duffy-and-david-mulcahy