It's a UK police serial, not on Netflix, but iTunes if you want to buy the seasons, or it's also on Amazon Prime.
If you have Prime, you can do a 7 day free trial of Acorn, (I don't think it's on Britbox). I think Acorn is only $4.99 a month,
but we managed to binge the first 3 seasons for free, and the 4th season is only $9.99.
Anyway, my point is, this show is fucking awesome.
The closest thing I can really compare it to is The Shield, not because of the violence, but just the sheer corruption at every level.
Vicky McClure is in all 4 seasons, and if you've ever seen the UK version of Broadchurch, or 'This Is England', she is a fantastic actress.
I can't recommend this show enough, and like I said, if you have Prime, and approximately 20 hours to devote to a show in 7 days,
watch Line Of Duty.

_________________
Just chillin' like Garret Quillin.