Police in Florida say a Canadian couple found dead in their winter home in Florida were killed by asphyxiation.

Hallandale Beach police say they are looking for multiple suspects in the deaths of Toronto couple, 66 year old Rochelle Wise,  and 71 year old David Pichosky. 

Their bodies were found January 10th in their Hallandale Beach winter home, and police in Florida now say the medical examiner has concluded it's a homicide by asphyxiation, although they won't say whether it was by hand or a ligature.

Wise, a popular former day camp director and educator, and her husband Pichosky were scheduled to meet neighbours for lunch.

When they did not hear from the couple, the neighbours went to check the home and found the couple inside.

Last month, police released video from a neighbour's surveillance camera hoping to identify a woman seen walking to the rear of the couple's home on January 9th.

Crimestoppers is offering a $51,000 reward in the case.

Earlier, Police in Hallandale Beach, released this video of someone they called 'a person of interest'. They still would like to identify who that person is.