The alias Dexter gives the shrink is Sean Ellis, the first name of Patrick Bateman's younger brother as mentioned in American Psycho and main character of The Rules of Attraction. The last name is that of the author of both original works, Brett Easton Ellis.
When Dexter starts looking into a series of possible murders made to look like suicides, the soundtrack contains the key motif from Brecht/Weill's Ballad of Mack the Knife from The Threepenny Opera.
The name of one of this episode's victims is Carolyn Jillian; considered having been a "powerful woman", it's speculated she was prosecutor. The name of the prosecutor in Bones (2005) is Caroline Julian.