The cellmate of Andrew Hernandez was strangled with a shoelace, police say, and Hernandez is a suspect in the homicide.
Hernandez was an 18-year-old senior at Guilderland High School in 2001 when he shot and killed his mother. He is now 42 and incarcerated in the Upstate Correctional Facility in the town of Malone.
On April 6, Michael J. Campbell, 51, was found unresponsive under a sheet, according to a release from the State Police…