Learn Hardcore Latin: Iudex dicit se inimicis civitatis non semper parcere posse. - The judge says that he cannot always spare the enemies of the state.

Breakdown of Iudex dicit se inimicis civitatis non semper parcere posse.

Why is se used here?

Se is the reflexive pronoun, and here it refers back to the subject of dicit, namely iudex.

So the structure is:

In Latin, when the subject of the main verb and the subject of the infinitive are the same person, Latin often uses se in indirect statement.

So:

Iudex dicit se posse = The judge says that he can
If it meant the judge says that another man can, Latin would use something like eum posse, not se posse.

What kind of construction is dicit se ... posse?