CNN —The grieving parents of two Australian brothers killed on a surfing trip in Mexico alongside their American friend said their deaths had made the world a “darker place,” days after their sons’ bodies were identified. On Sunday, Mexican authorities confirmed their identities as the three missing friends with the help of relatives who flew out help investigators. Mexican authorities have vowed to investigate the murders, saying the surfers may have been attacked in an attempted vehicle robbery. Mexico’s homicide rate is among the highest in the world, and more than 100,000 people remain missing in the country. Studies show only around seven percent of murders in Mexico are ever solved.

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Persons: Jake, Callum Robinson, Jack Carter Rhoad, ”, Debra Robinson, “, Carter Rhoad, Martin, Callum, “ Callum, Debra, Callum’s, Penny Wong, Jesús Gerardo “, “ El Organizations: CNN, Seven Network Australia, Australia’s, team, Seven, Department of Foreign Affairs, Trade, Australian Federal Police, Australian Embassy Locations: Mexico, Ensenada, Tijuana, San Diego, Perth, Australia, United States, Baja California