Layton was arrested Sept. 25 while trying to flee from a New Jersey state trooper on the Garden State Parkway in a van and then by foot. Police say Layton dropped a backpack containing cash from a robbery.
The 48-year-old pleaded guilty Tuesday before a U.S. District Court judge in Camden.
Each of the eight counts against him carries a maximum penalty of 20 years in prison. Sentencing is scheduled for May 27.