[rlmorel]

"..."But you remove one crocodile from a creek or a waterway, another one's just going to move in," the former real estate agent said..."

Like squirrels.

[marktwain]

"..."But you remove one crocodile from a creek or a waterway, another one's just going to move in," the former real estate agent said..."

How was it they became "threatened" in the first place?

It takes a significant time for a crock to grow big enough to be a threat to people, even children.

Take every crock over ten feet long, perhaps on a graduated scale bounty, and the problem is solved.

People are much more capable of taking crockodiles than crocks are capable of taking people.