It is not as uncommon as you may think. Invariably, police find evidence of an accused’s browser search history detailing methods of disposal, effects of toxic agents, rates of decomposition, etc., etc.
If you want to know the excruciating detail of how people kill, maim, torture, evade and otherwise abuse others, pick up the latest book about the serial killer de jour. Trawl through court records where evidence of criminal violence is described in excoriating detail, including acts of genocide. Clearly, all the training material for the Chatbot is available on the Internet and it is no different from you or me searching for it. Or is it?
“There’s more evidence to come yet, please your Majesty,” said the White Rabbit, jumping up in a great hurry; “this paper has just been picked up.”
“What’s in it?” said the Queen.
“I haven’t opened it yet,” said the White Rabbit, “but it seems to be a letter, written by the prisoner to—to somebody.”
“It must have been that,” said the King, “unless it was written to nobody, which isn’t usual, you know.”
“Who is it directed to?” said one of the jurymen.
“It isn’t directed at all,” said the White Rabbit; “in fact, there’s nothing written on the outside.” He unfolded the paper as he spoke, and added “It isn’t a letter, after all: it’s a set of verses.”
“Are they in the prisoner’s handwriting?” asked another of the jurymen.
“No, they’re not,” said the White Rabbit, “and that’s the queerest thing about it.” (The jury all looked puzzled.)
“He must have imitated somebody else’s hand,” said the King. (The jury all brightened up again.)
“Please your Majesty,” said the Knave, “I didn’t write it, and they can’t prove I did: there’s no name signed at the end.”
“If you didn’t sign it,” said the King, “that only makes the matter worse. You must have meant some mischief, or else you’d have signed your name like an honest man.”
There was a general clapping of hands at this: it was the first really clever thing the King had said that day.
That's not evidence of wrong doing itself and won't be used as such. It however can be used as evidence of intent. If you leave the house every day unarmed but the day of an alleged crime you're seen leaving the house armed that fact can be used to show intent to commit a crime with that weapon.
Likewise you leave the house every day with your phone but leave without it the day of the crime, that's going to be used to prove intent.
If you're charged with a crime requiring intent/mens rea/malice of forethought then anything hinting at your state of mind will be entered into evidence. Leaving your phone at home isn't evidence itself of anything and isn't a thing a prosecutor can randomly charge you with.
> If you leave the house every day unarmed but the day of an alleged crime you're seen leaving the house armed that fact can be used to show intent to commit a crime with that weapon.
It doesn't however. Say I am usually do not carry a weapon, but today I wanted to go to the range, and I take one with me. And while cleaning it up, I accidentally shoot somebody. Does my taking a weapon means I intended to shoot them today? Not at all - I could have shot anybody at any day, it's just that the day I went to the range with the weapon was today, if I went yesterday, the same could have happened and would be as unintentional.
Or, for example, on the way to the range, the same day, I meet my sworn enemy, we get into a fight, and I shoot him. Did I intend it? Not at all, I didn't even know I'd meet him today, and if I met him any other day it'd probably wouldn't happen, as I wouldn't have the weapon, but again it doesn't prove intent.
It's a logical fallacy to conclude that if something happened, then all events prior to that without which it couldn't happen were purposely arranged with the goal of that event to happen.
Anyone stupid enough to search for help on their murder while logged into the search engine and not clear their cache is also going to be too stupid to clear their chat bot history or use an anonymous interface there.
They are also likely too dumb to run local models, which requires at the very least installing software and usually requires a fairly beefy machine.
Anyone who knows how to cover their tracks online via even basic methods like private browsing mode is just not going to get caught this way.
