Monserrat, circa 2005; Age-progression to age 18 (circa 2019); Alejandro Rivera Avina
- Missing Since 01/22/2005
- Missing From Oxnard, California
- Classification Family Abduction
- Sex Female
- Race Hispanic
- Date of Birth 11/23/2001 (19)
- Age 3 years old
- Height and Weight 3'3, 39 pounds
- Clothing/Jewelry Description A red t-shirt, a red skirt and white shoes.
- Distinguishing Characteristics Hispanic female. Light brown hair, black eyes. Monserrat has a birthmark on her abdomen near her navel, and a scar on her right foot. Her nickname is Monse.