the biggest mysteries remained: the bodies of Sheila and Katherine were never recovered.
The story of the Lyon sisters is therefore not simply a story about a cold case solved.
It is a story about an overlooked witness description, an investigative file that was reopened decades later, a convicted offender whose name resurfaced, and a family that spent more than 40 years waiting for answers.
The afternoon that changed a Maryland family forever
The Lyon family lived in Kensington, a suburban community outside Washington, D.C.
John Lyon was a familiar voice to many Washington-area listeners. He had built a long career in radio, working at WMAL, while his wife, Mary, raised their four children: Jay, Joseph, Sheila and Katherine.
On that March afternoon, there was nothing unusual about Sheila and Katherine going to Wheaton Plaza.
The shopping center was only about half a mile from home.
The girls had
