NEW CANAAN, Conn. (CBSNewYork) -- There have been new developments in the search for missing mother of five Jennifer Dulos.
Residents have been asked to save their surveillance video and the missing woman's mother is acting to make sure the children remain safe, CBS2's Tony Aiello reported Tuesday.
Law enforcement wants to track the movements of Fotis Dulos and his girlfriend, Michelle Troconis, from May 22-25. New Canaan police sent out a robocall to residents and business owners, trying to find footage showing the suspects in their black Ford Raptor pickup truck.
"I don't have a surveillance system, so I can't assist, but anything that helps find her and bring the problem to justice would be welcomed," New Canaan resident Bill Brock said.
One source told Aiello police believe it was a carefully planned crime. Cops think Jennifer Dulos was viciously assaulted and removed from her rental home on Welles Lane in New Canaan at around midday on May 24. She was in the midst of a divorce and custody battle with Fotis Dulos, her estranged husband, at the time of her disappearance.
Later that night, Fotis Dulos and his girlfriend were spotted on surveillance video leaving clothes and kitchen sponges in Hartford trash cans. The items eventually tested positive for Jennifer Dulos' blood.
On Tuesday in Hartford, police used cadaver dogs to search a trash-burning plant, one of multiple locations they've visited, Aiello reported.
In New Canaan, many residents are concerned about the Dulos children. The couple had five, including two sets of twins.
"It does break my heart. I'm a mother of two boys and I can only imagine what the family is thinking right now," Liza Tuck said.
The children have been staying with their maternal grandmother, Gloria Farber, at her home on Fifth Avenue in Manhattan. Farber has filed papers seeking emergency custody, citing the disappearance of their mother and the arrest of their father, Fotis Dulos.
CBS News reported Monday that Fotis Dulos owed his mother-in-law in excess of $2.5 million.
Fotis Dulos and Troconis were charged with obstructing justice and evidence tampering. Fotis Dulos will spend at least one more night in jail because he has been unable to post $500,000 bond. Troconis posted bond Monday.
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