HOUSTON (AP) — A federal grand jury has indicted a Houston 18-year-old arrested after an undercover FBI operation.

The five-count indictment handed up Wednesday charged Kaan Sercan Damlarkaya, who was arrested Friday, with trying to provide material support to terrorists, a crime punishable by up to 15 years in prison.

READ MORE: Dallas Stars Win Fourth Game In A Row, Beating Arizona Coyotes 3-2

Damlarkaya, who is a U.S. citizen, also is charged with two counts each of unlawfully distributing explosives information and trying to provide material support to the organization called Islamic State. Each count is punishable by up to 20 years in prison upon conviction.

READ MORE: Dallas Police Ask Public For Help Finding Deadly Hit-And-Run Suspects

A message sent to Damlarkaya’s public defender drew no response Wednesday night. He remains in federal custody pending a detention hearing scheduled for Thursday morning in Houston.

U.S. officials have designated IS as a terrorist organization.

MORE NEWS: Missing Canadian Aaron Tschritter Last Seen In Deep Ellum Came For Cowboys Game, Never Made It 

(© Copyright 2017 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.)