ORONO, Maine&nbsp- A bulletin for police officers to be on the lookout for a late-model blue Mustang led local officers to take notice when one sped past them on Interstate 95 Monday morning, Orono police Capt. Josh Ewing said.

“We had information from [the Maine Drug Enforcement Agency] that this vehicle was possibly transporting narcotics,” he said, referring to the Houlton branch.

Orono police Officer Andrew Whitehouse and Sgt. Scott Wilcox were waiting for the 1990 Ford at the highway crossover just north of Forest Avenue.

“We saw them approach going 75 [mph] and stopped them based on that,” Whitehouse said.

The Mustang was driven by Brigitte Dupont, 39, of Houlton.

“During our investigation and search, they did find some heroin and cocaine,” Ewing said.

Passengers Oliver Comwell, who owns the car, and his wife, Carol Comwell, both 33 and also of Houlton, were arrested for felony possession of heroin, a Class C charge. Additional charges are expected, Whitehouse said.

If convicted, the couple could face jail time of up to five years and a fine of up to $20,000.

Dupont was charged with operating after suspension and possession of cocaine.

All three were taken to Penobscot County Jail. Dupont is being held on $1,000 cash bail and the Comwells each have a $2,000 cash bail, Whitehouse said. All three will be in front of a judge Tuesday in 3rd District Court in Bangor.

The Comwells’ 5-year-old son, who was in the vehicle, was put in the custody of Department of Human Services personnel.

While the car was searched, a woman, believed to be Carol Comwell, and the young boy could be seen sitting on the roof of the car, an eyewitness said.

The search for drugs is not over, Whitehouse and Ewing both said.

“A narcotics canine indicated there are drugs in the panels of the car,” Ewing said, adding that the department has filed for a search warrant request to “take the car apart in more detail.”

The Mustang was moved to the Orono police station and the second search is expected to take place Tuesday, Whitehouse said.