PHOENIX — It's been 15 years since Nicole Glass and Melissa Mason, both 27 at the time, were found dead in the house they shared near 42nd Street and Cambridge Avenue.

The roommates and friends were both strangled to death on Dec. 3, 2010. Mason was pregnant at the time of her killing.

Investigators on the scene found no signs of forced entry.

On Saturday, Nicole Glass's mother said it is time for someone to come forward with information.

"This is going on the 15th year, December 3, 2025, will be 15 years that we've been, that she's been gone, so it's time," Rachel Glass said. "I imagine no tip is too small, right? No tip is too small. If anybody knows anything, call in Silent Witness."

Rachel Glass said she has been living a nightmare since her daughter's murder.

"It's been a nightm

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