Maryland mother allegedly stabbed son to death during altercation in their home

LANHAM, Md. (TCD) -- A 42-year-old mother stands accused of fatally stabbing her 21-year-old son during a dispute in which he allegedly tried to strangle her. On Jan. 25 shortly after 7 a.m., officers with the Prince George’s County Police Department responded to the 8000 block of Greenfield Drive, where they found Cristos Johnson suffering from stab wounds. He was transported to a hospital, where he was pronounced dead shortly after arrival. Police allege Johnson and his mother, Querida Rivera, got into an altercation. According to court documents reviewed by WRC-TV, the dispu