When trying on the biker jacket at the store, Claire Kincaid mentions that her boyfriend has a bike. This is likely referring to the less than obvious (at least to casual Law & Order viewer) relationship she and Jack McCoy had.
During the opening scene when the victim staggers out of the bar & dies, the music playing inside the bar is Lynyrd Skynyrd's "Gimme Three Steps" which is about the singer trying to get out of bar before he gets killed by his date's previous boyfriend.
When Briscoe and Curtis are looking at the laptop in the car, Curtis reads out, "Another non-boring night at Strokers, boys and girls, when a wannabe got in front of more torque than he could handle". Then they skip down to the last paragraph. The full text of the laptop reads [with the same caps used]: "AH! 'ANOTHER NON-BORING EVENING AT BLOTTO'S, BOYS AND GIRLS, WHEN A WANNABE GOT IN FRONT OF MORE TORQUE THAN HE COULD HANDLE TOO BAD THERE'S NO REAL DIALOGUE THAT BELONGS HERE, OTHERWISE I WOULDN'T HAVE TO WRITE IN GARBAGE CHARACTERS LIKE 'ANOTHER NON-BORING NIGHT HERE AT BLOTTOS, BOYS AND GIRLS, WHEN A WANNABE GOT IN FRONT OF MORE TORQUE THAN HE COULD HANDLE AH! 'ANOTHER NON-BORING NIGHT AT BLOTTOS, BOYS AND GIRLS, WHEN A WANNABE GOT IN FRONT OF MORE TORQUE THAN HE COULD HANDLE PLEASE IGNORE THE PRECEDING TWO PARAGRAPHS AND THE FOLLOWING THREE. GEE, THIS ROP [Prop?] TRUCK IS REMARKABLY HOT, EVER THOUGHT ABOUT INSTALLING AN AIR CONDITIONER IN HERE, RON? SO TELL ME, IS THIS A SATISFYING BUNCH OF GARBAGE TO FILL UP THE SCREEN WITH, I THINK THERE SHOULD BE ENOUGH STUFF SO THAT YOU HAVE TO SCROLL DOWN TO GET TO THE MEANINGFUL PASSAGE BY NOW. OH, HEY, I'VE GOT A GOOD IDEA, HERE'S HOW THIS WORKED OUT, RON. YOU TYPE IN THE STUFF YOU WANT TO APPEAR IN THE FAX SOFTWARE IN ANY WORD PROCESSOR. YOU THEN PRINT THIS DOCUMENT AS IF YOU WERE FAXING IT (THAT IS, WITH WINFAX PRO SELECTED AS THE PRINTER), THEN AT THE "WHERE TO FAX THE DOCUMENT" WINDOW, THERE IS A SMALL CHECKBOX IN THE LOWER RIGHT MARKED SOMETHING LIKE "SAVE FAX TO DISK". CHECK IT AND PRESS RETURN IN THE NEXT DIALOG BOX. EXIT THE WORD PROCESSOR AND RUN THE FAX VIEW PROGRAM. "OPEN" THE FILE LIKE YOU WOULD ANY OTHER. AND DADI FOUND OUT SHE SHOULD HAVE STAYED IN HER EX-OLD MAN'S BITCH SEAT. SHE HAD TO DIVE FOR COVER WHEN THE OPENER JUICED HER NEW CAGER SQUEEZE.