Second man named in Lyon's sisters disapperance

Cops have named a second person of interest in the 1975 disappearance of two young sisters who vanished from a Maryland shopping center.
Investigators at Bedford County Sheriff's office said they were "very confident" they are close to finding out what happened to Sheila and Katherine Lyon, aged 12 and 10.
They also confirmed they were assisting Montgomery County Police with a homicide investigation.