GWINNETT COUNTY, Ga. — Gwinnett County police is revisiting a 20-year-old cold case of a missing 15-month-old girl who was allegedly kidnapped by her biological mother during a court-approved, unsupervised visit in 2005.
No one has heard from Marisa Velasco or her mother since their disappearance.
At the time of the incident, Marisa was in the custody of the Georgia Department of Family and Children Services, police said…