Officials say the three tourists killed in Mexico were believed to have been attacked while trying to prevent their vehicle being stolen.
The bodies of Australian brothers Callum, 33, and Jake Robinson, 30, as well as American Carter Rhoad, 30, were found at the bottom of a well in Baja California state after a days-long search.
According to Baja California state prosecutor Maria Andrade, it's believed that the attackers were trying to steal the tyres from the vehicle and shot the trio when they resisted.
Their bodies were found in a 15ft deep well on Friday, each victim had been shot in the head. Authorities found a burnt pick-up truck, abandoned tents, and a phone nearby.
Three people have been detained by police in suspicion with the attack.
A fourth body was also found in the well, unconnected to the case, officials confirmed.
Afghanistan and Pakistan will hold peace talks in Doha on Saturday, both sides said, after the South Asia neighbours extended a ceasefire following a week of fierce border clashes.
Britain's Prince Andrew said on Friday he would give up using his title of Duke of York following years of criticism about his behaviour and connections to the late US convicted financier Jeffrey Epstein.
Chen Ning Yang, one of the world's most renowned physicists and a Nobel Prize winner, died at 103 of illness in Beijing on October 18, state news outlet Xinhua said on Saturday.
Ukrainian President Volodymyr Zelenskyy came to the White House on Friday looking for weapons to keep fighting his country's war with Russia, but met an American president who appears more intent on brokering a peace deal than upgrading Ukraine's arsenal.