Cause of death was definitely drowning.
The victim had three cracked ribs and other signs of struggle.
The victim apparently owed $400 to the owner of The Red Herring.
The victim belonged to a local river gang known as The King Crabs.
A crate of smuggled opium, found floating near the victim.
The packaging is the same as those found next to the victim.
A polaroid of Squeal the Seal and the Sunk Skunk fighting.
A mob letter detailing a hit on persons unknown.
“I have got to stop storing water in my clues folder.”
The victim's blood alcohol levels were absurdly high.
“A nasty fellow, by all accounts. Mid-30's, did odd jobs along the dock. He spent most of his time at The Red Herring, a local tavern, drinking and getting thrown out for brawling.
We found him washed up on the shore of the river, quite close to the Herring.”
Hired the Sunk Skunk for a delivery job that went bad.
“I sent him to deliver a load of my cargo a coupla days ago and haven't s-seen hide or hair of that th-thief since then!”
Claims to have known the victim, but is incapable of actually describing him. Still, he seems willing to talk, and may be a useful source of information.
“Was he the guy always walking around with a skateboard and studded jewelry? Or was the the one who played a mean saxophone and had an afro?”
A taciturn mafioso, rumored to be a high-ranking member of the Crayfish Crew gang, rivals to the King Crabs.
“...”
Was owed money by by the victim, who was apparently a poorly-behaved (if loyal) customer.
“Business ain't been so good, lately. I was countin' on the Sunk Skunk coughing up and then selling The Red Herring for a ticket outta this dump.”