My missing toy

Minku and Jeet wait to play football with Kutu and Ki. Kutu receives a stuffed toy, Mr Carrot, for his birthday, but it goes missing. A detective fails to solve the mystery, but Ki discovers a clue and sets a trap. She finds a cat responsible for taking Mr Carrot. The cat is taken to a doctor, and the mystery is resolved. Ki is celebrated as a hero, known as Super Ki.

What did the detective initially think about the kidnapper?

What did Ki set up to catch the kidnapper?

What explanation did the doctor give for the cat's behavior?