This is a charade - multiple short words or abbreviations are joined together in sequence to form the answer.
Look for 'two sets of papers' (think about what papers might be called for short) and 'information technology' (a common two-letter abbreviation). Put them together in order.
Answer: I DID IT | This breaks down as ID (papers/identification) + ID (second set of papers) + IT (information technology). Together they spell out the confession 'I did it'.