CONCORD - A Nashua man, slated to be this week's "Fugitive of the Week," was arrested late Tuesday night in Barrington by members of the U.S. Marshals - N.H. Joint Fugitive Task Force.

Carl Carlson, 36, last known address in Nashua, was wanted on two outstanding arrest warrants charging him with failing to register as a sex offender, stemming from multiple 1998 convictions in Hillsborough County Superior Court, and a probation violation on a witness-tampering conviction out of Rockingham County Superior Court.

Carlson was going to be the featured fugitive today when he was arrested Tuesday night on Nuthatch Loop in Barrington. A small bag of pills was found in one of his pants pockets, according to the U.S. Marshals. The pills will be sent to a lab for analysis and, depending on the results, Carlson could be facing additional charges.

Carlson was taken to the Valley Street jail in Manchester where he will be detained pending a court proceeding.