Ok, based on this, let us start deducing.
Starting from the bottom (because the way of posting)
@Lantz has a potential kitchen item, but spoiled food isn’t exactly ‘severe injury’
@rho21 isn’t cleared, but box cutters are a weak kitchen clue, and would likely have another location picked
@Matt_W has all the things. Literally every item could plausibly be kitchen, and all could cause severe injury.
Also blender? Ewww
@Snebmi candlestick or machete are maybes. Machete doesn’t have a clear room, and if it was peanut? Kitchen would be the choice.
@RichVR has unarmed and bamboo as weak options, also coffee would make kitchen a logical choice
@scottagibson has some weak clues for this. Probably clear
@soondifferent has a bunch of weak options. Not cleared, but not high probability
@RothdaTheTruculent has brick and cockroach/ powder which could be kitchen. Higher than Soon, but lower than most others.
@CF_Kane is pretty clear in my book on this.
@rowe33 could be the killer, but is a middling suspect at best.
And me. I’ll let someone else make the case.