Dossier
Irasema Chavez
Coverage of Irasema Chavez in the Nexus archive.
- Friend arrested in Texas cold case killing of woman stabbed 100 times
A friend has been arrested in the Texas cold case killing of Irasema Chavez, who was stabbed 100 times. The arrest marks a development in the long-unresolved case.
- Arlington cold case murder suspect IDed with drop of blood, discarded fork
Arlington police arrested Mayra Valasquez for the 2012 cold case murder of Irasema Chavez using genetic genealogy to match DNA from a crime scene blood droplet to a discarded plastic fork. The method linked Valasquez to the crime through forensic analysis of biological evidence.