Rachel Zamarripa, a 21-year-old Texas woman, has been charged with the murder of her 58-year-old mother, Linda Zamarripa. The Bexar County Sheriff’s Office reported that Rachel, who was acting as her mother’s caregiver, called 911 to confess to stabbing a family member on Saturday. Deputies arrived to find Linda with a fatal stab wound to the chest. Three other adults were present in the home at the time of the incident. Read: Florida Man’s Attempt To ‘Spice Up’ Neighborhood Watch Lands Him In Monroe County Jail Rachel is currently in custody facing a first-degree murder charge, according to P…