The glow sticks were from Columbo Likes the Nightlife. Columbo saw the liquid smeared on a car and it gave him a clue. A girl offered him a glow stick.

The haircut and manicures were both from framed victims in Old Fashioned Murder and A Bird in Hand. Maybe "Nightlife" had one too, but I don't remember.

I supposed the shrapnel could also be from Grand Deceptions, but I was thinking about the cremated body that had metal in it, therefore giving Columbo his final "gotcha" evidence in Ashes to Ashes.

You were correct with the carrot juice and beeper. Nice work. I always thought it was funny that a fitness guru would have vitamin pills and non-sugar juice after a strenuous workout.

re: Monkey could also refer to “Negative Reaction” when Paul Galesko referred to his marriage as being a monkey chained to an organ grinder. The mixers are in “Double Shock”.

TR:

Monkey was DEATH HITS THE JACKPOT
Mixers were DOUBLE SHOCK, correct
Maps were COLUMBO GOES to the GUILLOTINE

Monkey is DEATH HITS THE JACKPOT
Map is COLUMBO GOES TO THE GUILLOTINE
Mixer is DOUBLE SHOCK