Sharkey's body was found at 1000 Red Haw Lane about 8:30 a.m. Saturday, Nov. 28. She had no visible wounds, according to police.
Harris County forensics investigators were performing an autopsy to determine Sharkey's cause of death.
KPRC-TV reports Sharkey was last in contact with her friends at 6 p.m. Friday, Nov. 27, according to her mother. Sharkey moved to Houston in January. Her mother said there was an argument and she left and didn't take her car.