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.
Pope Francis' funeral will be held on Saturday in St. Peter's Square, Roman Catholic cardinals decided on Tuesday, setting the stage for a solemn ceremony that will draw leaders from around the world.
Cardinals gathered at the Vatican on Tuesday to plan Pope Francis' funeral, which leaders from around the world will attend ahead of a conclave next month to elect a new head of the Roman Catholic Church.
Hundreds of Filipinos gathered at a solemn Mass held for Pope Francis on Tuesday, following his passing that has stirred deep sorrow among Catholics around the world, many of whom saw him as a humble and compassionate leader.
Russian President Vladimir Putin proposed on Monday bilateral talks with Ukraine for the first time since the early days of the war, and his Ukrainian counterpart Volodymyr Zelenskyy said Kyiv was eager to discuss a halt to attacks on civilian targets.
Pope Francis, the first Latin American leader of the Roman Catholic Church, died on Monday after suffering a stroke and cardiac arrest, the Vatican said in a video statement.