The Case of the Vanishing Painting In old fashioned town Riverton prized painting local museum vanished overnight. I Detective Harper was called to solve mystery. museum's security footage showed only a shadowy figure slipping through halls. I noticed peculiar detail: limped slightly. Interviewing staff learned that janitor Mr. Thompson had recently injured his leg. Confronting him found hidden in Thompson's closet. Thompson confessed explaining he needed money for daughter's surgery. returned and rallied support family turning an act desperation into one community kindness.