Mexican authorities have arrested two people in connection with the deaths of four men in Cancun, believed to be related to drug gang rivalries. A reward of $50,000 had been offered for the arrest of drug gang leader Hector Flores Aceves, known as "The Panther," who is believed to be involved in the killings. Local security cameras and the joint work of local authorities led to the arrest of the two suspects, with the investigation into the deaths ongoing.