FBI: Man wanted for Knoxville armed robbery spotted in Rockford

The FBI is looking for a man wanted for a Tennessee armed robbery who was spotted earlier this month in Rockford and has also recently traveled to Chicago.

Mario Lee Lambert, 33, robbed a cellphone store at gunpoint in Knoxville, Tennessee, on Nov. 22, 2016, according to the FBI. He was charged with brandishing a firearm during a crime of violence and with violating the Hobbs Act.

Lambert, also known by the nickname “Pop-Up,” was seen in Rockford on March 2, the FBI said. He has also recently traveled to Chicago; Beloit and Madison in Wisconsin; Atlanta, Georgia; and Houston, Texas.

He is described as a 5-foot-8, 220-pound black man with brown eyes and black hair, according to the FBI. He has “LAMBERT” tattooed on his back and Chinese letters on his chest. He was last seen driving a tan 2002 Chevrolet Tahoe with an Illinois license plate of ZZ37991.

A reward of up to $20,000 is being offered for information leading to Lambert’s arrest, the FBI said. Anyone with information about him should call the FBI’s Knoxville office at (865) 544-0751 or the Chicago office at (312) 421-6700.