This episode aired 7/19/2010. In July of 2013, three years later, DNA would confirm that Albert DeSalvo was the Boston strangler using DNA from a water bottle used by his nephew, Tim DeSalvo.
This is the episode where Maura Isles diagnoses her date with Marfan Syndrome. The character, Maura Isles, behavior during this scene is what caused speculation that her character has Asperger's Syndrome.
This is one of the few episodes not to have a name from the title or lyrics from a song.
Sponge and Howard Hamlin are in this one.