Residents in San Rafael de Coronado witnessed a robbery and then took off after two suspects.
The residents beat the suspects so badly they had to be hospitalized in Hospital Calderón Guardia.
According to the Judicial Investigating Organization, two men jumped from a microbus Sunday night and began to rob two cousins who were from the area. One of the cousins was believed to have suffered a knife wound.
Enraged residents came at the suspects with boards and other implements and knocked them to the ground and continued to inflict damage.
The suspects were identified as two brothers with the last name of Mayorga. One of the suspects suffered a knife wound, said the Judicial Investigating Organization.