BOSTON (CBS) – The Massachusetts State Police trooper who was injured in an exchange of gunfire with the man suspected of killing an Auburn Police officer has been released from the hospital.

State Police said Friday the Special Tactical Operations Team (STOP) trooper was shot in the shoulder by Jorge Zambrano on Sunday inside an Oxford duplex.

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Police said previously Zambrano jumped out of a closet and began firing.

Jorge Zambrano (Image credit: Auburn Police)

Jorge Zambrano (Image credit: Auburn Police)

Zambrano was wanted for shooting and killing Officer Ronald Tarentino during a traffic stop earlier in the day.

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Two other STOP team members returned fire, killing Zambrano.

Authorities have not released the name of the trooper injured in the shootout but say he is a former Navy SEAL and an 18-year veteran of the department who serves on the Special Tactical Operations Team.

The unidentified trooper had remained in UMass Hospital-Lakeside until Thursday.

“The injured Trooper continues to recuperate and will eventually undergo a rehabilitation program,” State Police said.

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A funeral was held Friday for Tarentino, attended by thousands of police officers from around the region and country.