DELAVAN -- Delavan police have identified the man killed in a stabbing incident as 31-year-old Ivan Guerrero. Police say Guerrero was stabbed to death by his cousin 39-year-old Rafael Olivarez during a party around 3:00 a.m. on May 4, 2014. Guerrero was intially taken to Mercy Hospital in Janesville, but died from his injuries.
Olivarez is being held at the Walworth County Jail. Authorities have yet to release information on what prompted the argument between the two men.