Authorities suspect a mechanical fault may have caused the vehicle to fall near the Guatemala-Mexico border.
Police rescued the man from his apartment on Friday night.
None of the 149 passengers and crew on board were hurt in the incident.
Journalist Valdez was shot dead on 15 May near the offices of the newspaper he had founded.
The priest is in hospital after a wound to the neck.
Mexico is the most dangerous country in the world for journalists
The footage sees the water turn red as the shark is killed.
Potentially groundbreaking results are to be revealed in the BBC2 documentary The Day the Dinosaurs Died.
The man is dragged from a car and is seen lying on the ground for about six minutes before being shot.
Only Syria is more dangerous than Mexico as a brutal drug war rages on.
The president's hardline immigration policies have resulted in fewer Central American migrants trying to enter the US.
World's most powerful drug trafficker seeks conjugal visits while in solitary confinement in a US jail.
Professor José Sarukhán will collect his Tyler Prize at a ceremony near the White House.
New York prosecutors seek forfeiture of $14bn of Mexican drug cartel's illegal earnings..
Three journalists were killed in Mexico in March.
Joaquin Guzman, who is 5ft 6 inches tall, will get 'an elevated chair' to help him review materials.
The move could be a ploy to get Canada and Mexico to the negotiating table.
The artefact dates back to 600-900 AD.
Mexican refugee agency suggests Trump's immigration policies could possibly be behind increase.
Killing rival gang members and displaying them in public have been commonplace in the region.