UPDATE: Madison Police Department held a news conference at 7:50 p.m. Friday where Madison County Assistant District Attorney Tim Gann spoke.
Gann said with outstanding police work and the help of the F.B.I., authorities were able to locate Hammad's mother, Safia Memon's cell phone signal.
Police found Hammad Memon within 100 feet of the signal, hiding in a restroom. Police say they had to chase Memon on foot before they were able to take him into custody.
When they found Memon, they say he had a passport and a lot of money.
Memon's mother Safia was also taken into police custody and will be facing charges.
Local authorities are currently working with the Dallas Police Department to bring Hammad and Safia Memon back to Madison.
PREVIOUS INFORMATION: Hammad Memon is in custody of the Dallas Police Department, according to the Madison Police Department.
Early Friday a Madison County judge revoked Memon's bond and issued an arrest warrant for the 16-year-old. A mail carrier told authorities Memon's family received a package that appeared to contain a Pakistani passport. The Memon family has dual citizenship in the United States and Pakistan.
Memon is charged with killing classmate Todd Brown at Discovery Middle School in February of 2010.