Another Joint Base San Antonio Lackland training instructor has been found guilty.

Former Air Force Military Training Instructor Tech Sgt. Jonathan Croskey was found guilty of having an unprofessional relationship with a technical training student, adultery and obstruction of justice.

Croskey was sentenced to 30 days confinement and a reduction in rank to E-4.

This is the 12th completed court martial at Joint Base San Antonio Lackland regarding a series of allegations against military training instructors.