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Falcon Lake Update: Witness Supports Tiffany Hartley's Pirate Chase Description

David Michael Hartley, right, believed shot by Mexican pirates on Falcon Lake. (Personal Photo)
Falcon Lake Update: Witness Supports Tiffany Hartley's Pirate Chase Description
David Michael Hartley, right, believed shot by Mexican pirates on Falcon Lake. (Personal Photo)

NEW YORK (CBS/AP) On Monday, a Mexican official seemed to question whether an attack on an American couple by Mexican pirates took place at all, but now Zapata County Sheriff Sigifredo Gonzalez says he has a witness who saw Tiffany Hartley, the wife of missing American David Hartley, being chased by men in a small boat.

PICTURES: Tiffany and David Hartley

Police in Mexico will search Falcon Lake along the Texas-Mexico border today using boats and military helicopters in their search for the body of David Hartley, who was allegedly shot by pirates while jet skiing on the Mexican side of the lake five days ago.

Tiffany, who has said she was with her husband but could not save him, expressed frustration on CBS News' "The Early Show" on Tuesday that the Mexican government wasn't doing enough to help.

"As far as we know, we don't think they have been looking," she told the morning show. "We understand the possibility that the people who did this probably have him. And that's why maybe they can't find him."

In a statement, Marco Antonio Guerrero Carrizales, district attorney for the Miguel Aleman Province, writes, "We are not sure. We are not certain that the incident happened the way they are telling us."

David Hartley father, Dennis Hartley, told the Associated Press, "I don't think at this time...Mexico is really doing anything."

That should change, according to Gonzalez, who met with Mexican authorities last night. He told CBS News they promised to search all day or until they find David Hartley.

COMPLETE COVERAGE OF FALCON LAKE SHOOTING ON CRIMESIDER

ALSO ON CRIMESIDER