Castillo-Alvarez challenged his convictions of kidnapping and second-degree intentional murder, contending that his prosecution in Minnesota violated his double-jeopardy rights. The court did not agree and found the contentions to be without merit. Prosecutors say Castillo-Alvarez ordered the kidnapping and murder of 15-year-old Gregory Erickson in 1997 over a drug debt.
Castillo-Alvarez is currently serving a 480 month sentence for the murder of Erickson and an additional 48 months for kidnapping. Erickson was shot by two men in June of 1997 at an abandoned farmhouse in Jackson County, Minnesota, per orders form Castillo-Alvarez in connection to the drug debt. with the gun jamming on another potential shot. The following day the farmhouse was set on fire so that Erickson's body would not be identifiable. The fire burned part of the basement, but not the entire house. His body was discovered one week later.
Castillo-Alvarez was convicted in Iowa, but that conviction was reversed because he did not get a speedy trial