True - but perhaps we don’t know the whole story - it does seem odd that he would just walk away from the money instead of accepting a receipt...
What I do care about is that the police are taking upon themselves the authority to do something like this.
And I have become more afraid of an out of control government then I am of criminals. The criminals I can defend against.
And taking a lawful item from someone because it "might" be involved in a crime without a warrant or even enough probable cause to arrest the person is not ok.