MIRAMAR (CBSMiami) – Police cadaver dogs are now being used in on-going investigation in Miramar.

While police have not said what case they are working on, it’s presumed to be that of missing Miramar mother Vilet Torrez.

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Torrez, 38, a mother of three young children, disappeared without a trace from her Miramar home in late March.

Officers from Davie, Miami-Dade and Palm Beach were seen using cadaver dogs Monday in the C9 canal in the southern end of Miramar.

There was a Davie police boat with a dog handler, dog and a marine patrol officer in canal. Cadaver dogs are capable of detecting human remains beneath water and the ground.

While Miramar police have not confirmed what case they are working it, they did say they are conducting similar searches using dogs in multiple locations.

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Miramar police do believe foul play was likely involved in the disappearance of Vilet Torrez and have named Vilet’s estranged husband a ‘person of interest’ in the case.

Search warrants obtained by CBS4 News revealed that police took DNA, hair samples, and fingerprints from Cid Torrez in the days after his wife’s disappearance.

Cid Torrez has denied he has anything to do with his estranged wife’s disappearance.

Vilet’s family says the couple had a stormy relationship and Vilet planned to divorce Cid.

Vilet’s children are living with their grandparents.

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Vilet’s family is begging anyone with information about Vilet’s disappearance to call Broward Crime Stoppers at (954) 493- TIPS.