SAN JUAN, Puerto Rico — Police in Puerto Rico said they are seeking clues to help solve the killing of a U.S. tourist who was thrown from an SUV and run over twice in the U.S. territory's capital.

The incident occurred before dawn on Feb. 1 in San Juan and involved a man authorities identified as 39-year-old Andrew James Coyle of Denver, Colorado.

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He was disconnected from life support on Sunday.

Police said they are trying to find the Nissan Pathfinder used in the killing, adding that they don't yet have a motive. No one has been arrested. 

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