Three people were arrested this week in connection with the death of a good Samaritan in Arizona last month, officials said.

The Pima County Sheriff’s Department identified two of the three people arrested Monday as Jack Upchurch, 40, and Elmer Smith, 19. The third person is 16 years old. NBC News does not typically identify minors accused of crimes.

The trio were arrested in connection with the death of Paul Clifford, 53, whose body was found near a smoldering car northeast of Tucson last…