COVID is still around and this year's strain could spread more quickly.

So Manchester's health teams want to help to protect you, your families and your health services.

If you're offered a COVID jab,

please take it up as soon as you can,

so you have as much protection from the virus as possible.

The jab is free and takes minutes.

Check if you should have it at Manchester.gov. UK slash get my jab. Hello and this is the show for you.

Hello and welcome to trigonometry. I'm Francis Foster.

I'm Constantine Kitten.

And this is the show for you.

If you're bored with people arguing on the internet over subjects they know nothing about.

At trigonometry, we don't pretend to be the experts.

We ask the experts.

Our fantastic expert guest this week is a retired police officer of 31 years

and a leading law and order campaigner who specializes in gun and knife crime.

Norman Brennan, welcome to Trigonometry.

Good morning to you.

Thanks very much for coming. We really appreciate your time.

For anyone who doesn't know, you just tell us briefly who you are, how are you, where you are,

what's been your journey through life that's taken you to this chair?

Well as you introduced me I'm a retired police officer 31 years.

I joined at the age of 19.

...