Brian Rini, now 25, pretended to be Timmothy Pitzen, an Aurora, Illinois, boy who disappeared at age 6 in 2011. Latest U.S. Israel-Iran ...

He has been identified as Brian Michael Rini, 23, of the Cleveland suburb of Medina, Ohio. He appeared in federal court Friday morning and faces up to eight years in prison, prosecutors say.

Rini, who grew a beard after his arrest, was at Children's Hospital for more than a day, according to court documents. But after being confronted with DNA test results, he admitted his true identity.

Brian Michael Rini, who surfaced in Kentucky claiming to be Timmothy Pitzen, an Illinois boy who went missing in 2011, was charged by the FBI Friday.

Rini was released from an Ohio prison on March 7, according to the state department of corrections website. It says he served almost 14 months of an 18-month sentence for burglary and vandalism.