In 2009, the unsolved murders of Sonia Mejia in Taylorsville and Damiana Castillo in West Valley City were linked through DNA analysis.

[4] The corresponding police departments concurrently released a description of the perpetrator as a Hispanic male in his late teens or early 20s.

[4] In November 2018, Salt Lake County District Attorney Sim Gill announced that a suspect was in custody in another jurisdiction and was in the process of being extradited back to Utah to face murder charges.

[8] In January 2022, the charging documents were unsealed and revealed the suspect to be 41-year-old Mexican national Juan Arreola, who had previous convictions for fraud in 2008 and was later deported to his homeland, where he remained until his extradition.

[9] In June 2023, Arreola pleaded guilty to three counts of aggravated murder.