Texas Rangers announced that the decades-old cold case has finally been solved, thanks to advancements in DNA technology and the dedication of law enforcement.

Billy Wayne Ludwigson pleads guilty and receives a 20-year sentence for the 1982 murder of Velma Nesset, closing a 40-year-old Texas cold case.

On Wednesday, The Texas Department of Public Safety (DPS) announced that Billy Wayne Ludwigson, 62, was sentenced to 20 years in prison for the sexual assault and murder of 64-year-old Velma Nesset in 1982. Investigators say that Nesset, an employee at the Permian Mall in Odessa usually walked to and from work.

Hamilton cop demonstrates firepower of fully auto 9mm Glock Det/Cst. Mike Hoyle, Hamilton Police Service, demonstrates the firepower of a 9mm fully automatic Glock with a 30 round drum magazine. A Texas man pleaded guilty last month to a cold-case murder from 1982 after a suspect confessed but was acquitted one year after the killing.

A 62-year-old man has been sentenced to 20 years in prison for the 1982 murder of Odessa woman Velma Nesset, after new DNA evidence linked him to the crime.

A 40-year-old murder case has been solved after a Texas man pled guilty last month and was sentenced to 20 years in prison, according to the Texas Department of Public Safety (DPS). Billy Wayne Ludwigson,

A man who pled guilty to a decades-old cold case murder in Ector County will spend the next 20 years behind bars.

A man has been convicted for the assault and murder of an Odessa, Texas mall employee 42 years ago, thanks to DNA analysis.

DNA testing led to a breakthrough in an Ector County cold case earlier this year; now, justice has been served more than four decades later, thanks to the hard work of the Texas Department of Public Safety and the Texas Rangers.