No.

[ His response is so vehement, he has a hard time forming his next words. ]

I do not care if you have conversation protection, the Arcana use the Network. I take no chances. I would rather tell you where the trails are with words.

[ He settles like he's one of the seagulls he's been waving away since he first found the body. He glares at the distant sand again, but his voice levels out. ]

There is also the possibility of a small boat being used to take the bodies further out to sea. I am not ruling out that the metal spheres were used to weigh them down as well. But these are just guesses.