That is probably the reason. My first theory was, that they didn’t called the police, cause they was afraid of the police. So they could be sure that there will be some public interest, that forces the police to be carefull. On the other hand public interest may increase the chance not being deoported.

But your theory sounds trustworthier. Especially in such a situation, you probably don’t overthink it, but call for help.

First rule of the Commission. You don’t talk about the Commission.