The way I did it was (since removing the DRL fuse kills the DRL lights), I ran some wire (using fuse taps) from where the fuse originally was (side of the dashboard) to a toggle switch, also installed a separate inline fuse to protect the circuit.
Everything is hidden well, unless someone removed the fuse panel cover, then they'd see a couple of wires in there.
It's really easy to remove in case I decide to take it out someday, no original wiring was cut.
FWIW, I used a burned out fuse to hold the fuse taps in place and a lighted switch to remind me if I left the circuit on.
From what I recall the police packages had DRL kill switch (pretty hard to find nowadays) mounted on the dash. Guess it would look something like this.
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Food for thought.