(Plymouth, IN) - A Silver Alert issued over the weekend in Plymouth, Indiana now has FBI involvement.

11-month-old Mercedes Lain was last seen on Thursday with 37-year-old Justin Miller. Miller was picked up by Plymouth police Monday, but the little girl has yet to be found. Miller is being held in jail on a charge of neglect of a dependent.

The FBI's Child Abduction Team is now assisting with the search of Mercedes Lain. Police say the missing girl is only two feet tall, weighs 19 pounds, and has blonde hair with brown eyes.

Anyone who knows anything about the whereabouts of little Mercedes is urged to immediately contact Plymouth police at (574) 936-2126 or call 911.