These articles describe how new forensic and DNA technologies have helped investigators resolve long-unsolved cases. Each story shows law enforcement reopening cold cases as tools improved.

Colorado investigators say they have solved the 1987 killing of Rhonda Marie Fisher after newly analyzed DNA linked her death ...

Newly recovered DNA evidence has linked a nearly 40-year-old unsolved murder to “one of Colorado’s most prolific serial killers,” officials said.

Connell School of Nursing Professor Ann Wolbert Burgess received a phone call at her Boston College office in 1978 that would alter the course of her career and lead to a seismic shift in the practice ...