Plausible deniability because it works. As for the fishermen in that boat.. yeah.. totally innocent fishermen, and on that very spot they hit a 'school' of tha

Plausible deniability because it works. As for the fishermen in that boat.. yeah.. totally innocent fishermen, and on that very spot they hit a 'school' of that one fish they were looking for, so they are fishing this 'school' and nothing else sinister going on keep walking (omitting commas on purpose)