Heroist was found near the edge of the forest. He was looking for something or someone.

Congratulations to the sniper. The hero is Juliana. The clue was incorrectly deciphered.

received a severe blow to the head

Is this a Swift block, or am I imagining things?

after returning from a social event. No clues were found. The murder weapon was steel shurikens.

Longfire was killed with a shuriken. And the Master is either Henri or Edward. I'm not sure.

humiliated and depressed. They say the reason is a cold reception.

It seems this is about losing his voice.

My guess is up to you.

a young man was observing

Felisman was watching. Or is this Henri checking on the situation?

One of the residents was found sleeping in the city park.

And this is a Mafia block, which matches yesterday's newspaper.
The Alchemist either triggered a natural defense, was poisoning someone, or decided not to kill. No treatment is described, so it wasn't used as a sacrifice. I also don't see any mention of the cat's defense in the newspaper.

Update. Edward has natural defense. If the Master was Edward, it's possible that the mana-based murder without clues, which bypassed the defense, wasn't recorded.