# Unsolved murders
Dallas Police Make Arrest in 38-Year Old Capital Murder
DNA testing has helped solve a women's cold case murder, more than 30 years ago.Scott Rodgerson/Unsplash. Dallas Police and the Federal Bureau of Investigation arrested a 60-year-old Dallas man and now charged with the 1984 capital murder of Mary Jane Thompson. This had been a murder case that has become very cold for the past few decades.