So, she found this and decided I was secretly an FBI agent

Yesterday after school, my 13 year old daughter came home from school with two friends and started talking to them about the fact that when she went looking through my closet - which I had asked her to the other day when I was not home to find something - that she found things that made her realize I must be an FBI agent in disguise.  She was sure that explained a lot of things about me. Her friends agreed.  So I asked her what she found.  She found a box of minted coin sets - actually gifts from her grandparents to her and her siblings - not sure why on earth that screamed secret FBI agent.  And, she found a "locked" black box that she could not open.  That would be my grandma's portable Singer sewing machine.  So, I had to let her and her friends down and explain that I am totally NOT the mom from Spy Kids even though for some reason they had amassed evidence and ascertained that I was indeed a secret FBI agent.