Why will it take a while to figure out if they were used in a crime? How many crimes have been committed with a .50 cal? I doubt anyone robbed a convenience store carrying one of these.
"It looked like it was something that someone would want to come back for”
And now the person who hid them knows who found them and turned them in. I'm guessing he's not happy. Best to turn them in quietly and stay out of the news.
“And now the person who hid them knows who found them “
The dude that hid them is going to go to the station and ask who turned in his illegal guns?