It is a potential crime scene which must be preserved for photographic and other documentation, and the collection of evidence.
Sorry for parents. But what happened, and why, is important for all parties in the interest of justice if negligence or criminal intent is discovered....including mid or malfeasance among officers.
Protects innocents, and is essential for SUCCESSFUL and APPROPRIATE prosecution of criminal conduct.
A dog, loose in a death scene, is simply ridiculous.
I’m sure it was explained with the necessary sensitivity to the grieving.
They didn’t want to bring the dog into the house; they wanted to bring the dog into the van where they were waiting for the SWAT team to do what SWAT teams do.