With no prior warning, you're suddenly asked to give a detailed explanation to a coworker of your specific job duties and the location of all available documentation. Security guards are patrolling the floors. You stop getting invited to meetings by your boss even though you are the team leader. You are asked for a list of remaining critical tasks on your project as well as a list of where all important documents are located. A shipment of packing boxes arrives a few days prior to the sale date.
Auditors show up more than once.
You are asked to take an inventory of all hardware and software. Your boss takes an unexpected vacation. Your boss asks for a list of key people in the organization. Your boss cleans out his desk and deletes files from the Lan. The office plants start dying.