John McCluskey, 45, (left) is on the run from U.S. authorities following a prison break July 30 in Arizona. Casslyn Welch, 44, is wanted by U.S. authorities for allegedly helping in the prison break. Reports indicate the couple may have entered Canada. The Canada-U.S. border is on heightened alert following possible sighting of a pair of dangerous American fugitives, who have altered their looks to evade capture.
American authorities said convict John McCluskey, who bolted from an Arizona prison on July 30, has dyed his hair and beard black while his alleged accomplice Casslyn Welch now sports blond locks.
Lisa White, a spokeswoman for the Canada Border Services Agency (CBSA), said a Canada-wide lookout has been established within the system due to possibilities the duo may try and enter the country illegally.
"Getting the right information at the right time is really key in making sure our border system works properly and we're able to respond in case of a potential threat," said White.
The CBSA is working closely with the RCMP, U.S. Border Patrol and the U.S. Marshal Services to ensure communities around western Montana and southwestern Canada are safe, she said.
Sgt. Patrick Webb, an Alberta RCMP spokesman, said the force's helicopter has been sent to southern Alberta and is ready for an intensified search.
He said there are still no confirmed sighting of the pair within the Canadian jurisdiction.
Officials are being extra vigilant in searching vehicles, trailers, and people who come through the designated border crossings.
U.S. marshal Thomas Henman said the information that the fugitives have changed their looks was developed by investigators on the ground.
"This manhunt remains a top priority," he said.
"We're still concentrating our search in northwestern Montana and southwestern Canada."
Interpol has issued an international alert for both McCluskey and Welch, who officials said is the convict's cousin and fiancée.
Photos of McCluskey's tattoo-covered arms and torso were released by the Interpol to 188 members countries and are also posted on its website.
Interpol's Jean-Michel Louboutin said the released information will "significantly increase the chances that these two dangerous fugitives will be located and captured."
Since the escape, the fugitives have been linked to several crimes in a number of American states.

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