Algodoo

shamrock has isomnia so of course he needs anesthesia
pills to get him some sleep.

Well, does he have isomnia? The pills might have been bad, which caused him to sleepwalk at night, and he walked out of the mansion into a meat chopping house, and got his head cut off and his body got cut into other stuff.

shamrock was killed by Pliner
Pliner found these ansthesia pills and
left it in her drawer.

Wait...Pipin and mehh, I get what you're saying, but it says four people touched the pills, including Shamrock.

I think I know who did this:Blue!

Here is why:

So, i've remembered from Whodunnit that anybody who got Scared isn't the killer.
Out of the four who touched the pills, I know that Blue was the only one out of the four who touched the pills and wasn't scared.

Here is what I think happened:
So, last night, Blue managed to do it again and kill somebody!
He decided to prepare for his third kill right away.
First, he stole some pills from the morgue, which he knew were long-lasting anesthesia pills.
He then told Shamrock to have some pills, as they would help him sleep better, which is what Blue said.
Obviously that was not true.
The next morning, Shamrock woke up VERY late and walked around clumsily while trying to get some clothes on.
After 45 minutes of trying, he finally got his clothes on and he went to the bathroom at 11:45 AM.
He was still tired, though.
He walked around delusionally, until Blue then came up behind him and cut off his head, amassing an amazing kill.
However, he had to hide the evidence.
He first dug up White's dead body, and along with Shamrock's disemboweled body, he buried the bodies in a another hole, and he spent about 15 minutes making it look like nothing had happened.
Then he got some extra soil from the hole to help him refill White's grave and make it look like someone had graverobbed.
Then he took the head and snuck it into a dish, just before everybody had come for lunch.
Once IR took the dish lid off and everybody ran, Blue ran behind everybody to hide the head.
He took the head and tossed it into a nearby pond, and he rushed back to his room, where he acted like nothing had happened.

That is how I think Blue killed Shamrock.
(Also, DAB for the best answer in Case 2!)

Also, there are now only five people who could be the killer:
IR
Me
Blue
Cyan
and Orange

Who does everybody think it is?

For this one, i think Cyan did it

The main thing Cyan used was his phone. First, Cyan used his phone to talk to Scarlet and ask her to get the pills, which is why Scarlet excused herself from chatting with me. Scarlet then took the pills and gave them to Cyan (He was wearing Orange's gloves at that time after stealing it, so that's why none of Cyan's fingerprints were found). Then, Cyan walked into Shamrocks room, switching his pills. At bedtime, Shamrock walked into his room to take his pills, not knowing his pills were switched. At morning, Shamrock awaked very late, still sleepy. Cyan then used his phone to ask Shamrock to go into the bathroom. This explains the wierd noises coming from Shamrock's room. When Shamrock entered the bathroom, Cyan also entered it, cutting Shamrocks head off. While Inverted Rainbow or some other cook was peparing the food, Cyan switched the food under the tray topper with Shamrock's head without the cook noticing. Also, i think Cyan already got White's body out of her grave by that time, but i don't know when that exactally happpend. After everyone found Shamrock's head under one of the tray toppers and went looking for the body, Cyan took the head and the body of Shamrock and throwed it somewhere we would not look. Probably some nearby river or a place where the killer hides bodies. Then Cyan joined the rest of the group without one of them noticing he was gone for some time. When an hour passed, Cyan and the others went back to the dining room, finding out Shamrock's head is missing. And that is how Cyan killed Shamrock.

Also, SlimeBlobFlynn, the reason i never was scared is because everyone that was is inactive.

I agree with mariofan07 the killer is cyan

Also another reason why I think that killer cyan is the fact that when his fans tell him to leave the mansion he refuses without even recoinsidering it