Provincial police have confirmed the body found in Arundel is that of 71-year old Yvon Lacasse.
Authorities say his car was used by the suspect in a kidnapping, which triggered an Amber Alert last week.
A 6-year old child was found safe west of Ottawa, the 41-year father was arrested.
The father is expected to be released from an Ottawa hospital Friday and brought to Montreal after trying to kill himself.
Among other things, he's already charged with kidnapping and charged as well following the death of the child's mother.
“It’s a relief that Yvon's been found, but at the same time, the reality that this whole nightmare is a true story,” said Lacasse’s niece, Diane Richer, who spoke with CTV.
“I don't think we'll ever be able to explain it. The story unfolded and I don't ever think in 100 years we'll be able to explain it or make sense of it, because it does not make sense,” added Richer.
Police are looking for person, described as a critical witness, who was last seen with the suspect and his son in Rouyn-Noranda.