El Arropiero, one of Spain's most prolific serial killers

How do you catch a nomadic serial killer with no victim type, no motive,  and no preferred method of killing?  Listen to this episode to learn about a violent beast who confessed to 26 murders as well as necrophilia.  Subscribe and tell your friends about Exploring Evil.  Email case suggestions to exploringevil@gmail.com and thanks for listening friends and enemies!