In reference to Kenny Loggins, Shawn says, "so he's not alright?" This is in regards to the Kenny Loggins song "I'm Alright".
When we first see Chief Vick, Gus, and Shawn at Lassiter's home, they are looking at a bulletin board of mugshots. Two of the "Apprehended" criminals listed are Jordan Roberts who works in the Art Department and Kelly Fry who does craft services.
Hidden Pineapple: In the grocery bag Carlton Lassiter is carrying in the scene in front of Lassiter's house.
Towards the end, when Shawn is referring to the second prisoner Kenny Loggins, he says "I guess you could say... He was in the danger zone." This is in reference to the iconic song Danger Zone, sung by the musician Kenny Loggins for the movie Top Gun (1986). The song was composed by Giorgio Moroder with lyrics written by Tom Whitlock and released in 1986.
When Henry hears Kenny Loggins was in the next cell, he asks if Jim Messina was with him. "Loggins and Messina" recorded as a duo before Kenny Loggins saw success as a solo artist.