2nd Person of Interest Sought in Tucson Shooting

The authorities released a second picture of a man possibly involved in the shooting incident that left six dead, 19 wounded - Tucson.

The Ministry of Pima County early Sunday morning, Sheriff portrait of a man seen in the country, possibly linked to the suspects. Is described as a Caucasian Male, approximately 40-50 years, dark hair and was last seen wearing blue jeans and a dark blue jacket

Authorities were investigating the possibility that the suspect, who was killed six people and wounded 13 others outside a grocery story Tucson, including the U.S. Q. Attorney Gabrielle Giffords, not only to the law.

Said CBS News that the image of interest to someone from the grocery store where the supervision of Giffords event to take is to get on.

And identified 22 years) in custody and Loughner Jared.

Said CBS News officials Loughner and a man in the picture we can work together in the store before the shooting.

And asked anyone who knows the identity of the person to contact 911.88 - the crime or the FBI at (520) 791-6974.

Officials say Loughner taken responsible for the attack, but said authorities were "not convinced acted alone," said Dupnik