A 23-year-old Ukrainian was arrested after posing as a Pennsylvania high school student since 2012, police said.
A Pennsylvania high school honors student is really a 23-year-old man from Ukraine with an expired visa, police said.
Artur Samarin has been arrested and charged by Harrisburg police with identity theft and tampering with public records, according to CBS affiliate WYHL-TV.
Read: Teen Who Allegedly Posed As a Doctor Says His Intentions Were Pure
Samarin is accused of using the name Asher Potts to create a fake social security card and other documents, police said.
He had been enrolled at John Harris High School since the fall of 2012.
"While we do not know all of the details surrounding the arrest, we are treating this as a serious matter, Harrisburg School District Public Relations Coordinator Kirsten Keys said in a statement.
"The district will continue to cooperate fully with the police department as they move forward with their investigation," Keys said.
Asher Potts, #HBG HS soph with a 4.16 GPA in ROTC is a new member of the Nat'l Honor Society. #goingplaces #proud pic.twitter.com/s2wmjj6lTk
— Rep. Patty Kim (@RepPattyKim) May 30, 2014
Samarin appeared to be hiding in plain sight. In January, he participated in a public forum addressing youth violence in the greater Harrisburg area, the station reported.
Posing as Potts, he also joined the ROTC and received several awards, including a commendation from a local congresswoman noting his installation on the National Honor Society.
Police did not say what led to Samarin's arrest.
Read: Cops Attempt to Help 'Injured' Otter But It Turns Out to Be Faux Fur Coat Collar
Online court records did not list an attorney for Samarin, who is being held at the Dauphin County Jail.
Harrisburg police declined comment to INSIDE EDITION.
Watch: Jewelry Store Robbed After Man Allegedly Swaps Out $28,000 Diamond With A Fake
