The man charged with the murder of a Minnesota teenager and suspected in violent attacks against women in Chamblee, may have more victims.

That's the thinking of police and the FBI.

Alberto Palmer, 23, was arrested last week in Minneapolis, charged in the murder of 18-year-old Brittany Clardy.

According to police, the young woman was beaten and strangled, her body hidden in the back seat of her car.

Her body was discovered weeks after her killing when her mother reported the car missing and police in Minnesota tracked it down to an impound lot.

The murder of Clardy is similar to the attacks on the women in Chamblee.

One woman told WSB how she was beaten, raped, tied up, wrapped in two blankets, then shoved into a storage crate.  She says Palmer then put that crate in the back of a car and left her there to die.

The woman was able to escape after a 36-hour struggle to get free.

And while police are certain of the four crimes committed by Palmer, they don't believe his crimes stop there.

"It's highly unlikely that there aren't more victims," says Chamblee Police Sergeant Ernesto Ford.  "We have gotten the FBI involved and, hopefully, they can link other crimes to this guy."

Investigators are focusing on the period of time between when Palmer is known to have left Georgia and Clardy's murder.

"We suspect that he left Georgia sometime in mid-December," says Sgt. Ford, "and we have no way of knowing when he showed up in Minnesota, other than when he committed the crime."

Clardy was murdered in mid-February.

Police and the FBI are now tracing Palmer's movements during that eight week period, trying to determine where he may have been and whether there are other victims.

As for Palmer, he has been formally charged in Minnesota in Clardy's murder.

"The DeKalb DA will make a determination whether he will try to extradite him from Minnesota and whether he will prosecute," says Ford.  "At this point no decision has been made."

Palmer is being held on $2 million bond in Minnesota.  He is due back in court on April 10.