I’d have been wrong too

Just watching the lottery (shut up) and the following question was asked:

A claymore was what type of weapon? Mace, sword or dagger?

I didn’t know, but was leaning towards the mace. The man immediately said:

Mace? Hmmm, the police have just started using that, so that’s not right.

I was confused. Really? The police are using a…Oh, I get it.

It’s a sword, incidentally. This post was edited for clarity after I re-read it.