The Doe Network Sylvia Lourdes Standley Sylvia Lourdes Standley Case Classification: Missing Missing Since: June 3, 1986 Location Last Seen: Modesto, Stanislaus County, California Physical Description ** Listed information is from the time of disappearance. Date of Birth: June 19, 1954 Age at Time of Disappearance: 31 Race: White and/or Hispanic Gender: Female Height at Time of Disappearance: 5'7" Weight at Time of Disappearance: 115-140 lbs. Hair Color: Light brown Eye Color: Hazel Alias(s) / Nickname(s): Possible last names of Baca and Standly Distinguishing Marks/Features: Pierced ears. A 1/2 inch "V" shaped scar above the left knee. Appendectomy scar on stomach. Possible "Butterfly" tattoo on right hip. Dentals: Available. She is missing two upper front teeth. Fingerprints: Unknown. DNA: Available in CODIS. Clothing & Personal Items Clothing: Unknown. Jewelry: Unknown. Additional Personal Items: Unknown. Circumstances of Disappearance Sylvia Lourdes Standley walked out of Stanislaus County Women's Facility on Oakdale Road on June 3, 1986, after serving a two-week sentence for a drug violation. She called her family to let them know she would be home later in the day, that she would catch a ride to her Modesto home with her new boyfriend. No one in her family had ever met her new boyfriend and didn't know his name, or anything about him. She was last seen getting into a green or blue truck. She never returned home. When Standley went to jail, she left her 8-month old infant daughter with her mother. Some sources list May 29, 1986 as her missing date. Investigating Agency(s) If you have any information about this case please contact; Agency Name: Modesto Police Department Agency Contact: Detective Craig Grogan Agency Phone Number: 209-572-9627 E-Mail Agency Case Number: 86-60422 NCIC Case Number: M212417495 NamUs Case Number: Not listed Please refer to this number when contacting any agency with information regarding this case. Information Source(s) National Center for Missing Adults California Department of Justice The Modesto Bee News Archive (2/25/2001) Stanislaus Crime Tips