A door step attack is an escalation in this "low" crime environment that of which we should all take note.
A quick visit to the Dragon Mart will net you 2x IR motion activated CCTV plus DVR and the fixings for around 600 aed.
Put ours up in an afternoon covering our car port/garage, garden entrance and back door.
It won't stop a nutter but may deter some petty pilfering.
Best wishes and a speedy recovery to R.