From a forensics perspective, Dr. Erastus Hudson voiced his deduction that the Lindbergh kidnapping was an inside job, based on evidence with which he was personally familiar. “A point of great importance rested in the absence of any fingerprints on the nursery window and its remarkably broad sill. Kelly [of the New Jersey State Police] had powdered it a few hours after the kidnapping. No prints were found, although Betty Gow [the child’s nurse] and Mrs. Lindbergh had opened and closed the window that same night. Miss Gow had rubbed the child’s chest with an ointment, the oleaginous base of which would have augmented the secretion of the finger ridges in leaving clear prints.
“Of course, there would have been older prints as well. The reason Kelly failed to get all these prints was because they must have been washed off. Someone with a pail of water and cloth undoubtedly bathed those spots where fingerprints must have been left. They did so between the time Betty Gow put the baby to bed and about four hours later, when Kelly began investigating. » Continue Reading.