Manhunt for Maine shooting suspect Robert Card prompts underwater search

“There will be a lot of activity in the water today,” Sauschuck said. “… The river is a big piece of this.”

Card’s car, a white Subaru Outback, was found near a boat launch on the Androscoggin River. He is now believed to be in a 15-foot lake boat. According to a law enforcement bulletin reviewed by CBS News, Card also has a 2019 Sea Doo green boat registered in his name. It’s not clear whether that’s the same vessel as the lake boat.

The Androscoggin River connects to the Kennebec River. Both rivers are more than 170 miles long and empty into the Gulf of Maine. Some of the gulf’s shoreline is in Canada.

Sauschuck said that there would be air flyovers to help determine where divers should enter the river. Where they go into the water will depend on currents, visibility and other factors, Sauschuck said. Sonar technology will also be used in the search. Sauschuck also said that the Brookfield Power Company, which operates two dams on the river, will try to lower the current to make it easier for divers to navigate the waterway.

The Maine State Police dive team will lead the charge, and officers from the agency will work the shore line along the river.

On Thursday, the U.S. Coast Guard said it was deploying multiple resources to search for Card.

Card remains missing after carrying out a mass shooting on Wednesday at two locations in Lewiston, Maine. Eighteen people were killed, and 13 others were injured. Card has been missing ever since.

Cara Tabachnick contributed reporting.