I was having a conversation with my son and said the phrase "cracked the case" and then said "Oh, I should write that down for a comic." He replied "How is that a comic? It's just 3 words." and so I improvised the dialog for this strip in front of him.
#AltText (of link): Astronaut Leland Melvin in an orange flight suit with a U.S. flag in the background on the left and a model of the space shuttle on the right.
He is leaning to the left of the picture, and his two dogs are flanking him. One with his paws on his lap, the other (left) licking his ear.