This is one of the messages in the pyramid picture, I can see why it says this for here are some examples:
*He has been sent to jail in Colombia
*Grunkle Stan is continuously seen running away with stuff
*He claims to own ten loaded guns.
*Grunkle Stan frequently uses smoke bombs to distract people and run away.
*Grunkle Stan, Mabel, and Dipper have been to the county jail due to them making counterfeit money.
*He has been sent to jail in Colombia
*Grunkle Stan is continuously seen running away with stuff
*He claims to own ten loaded guns.
*Grunkle Stan frequently uses smoke bombs to distract people and run away.
*Grunkle Stan, Mabel, and Dipper have been to the county jail due to them making counterfeit money.