(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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the unnamed dog
"people do strange things under stress"
Columbo borrows a writing implement
the police call Columbo
someone insults Columbo's car
Someone is surprised that Columbo is a cop
Columbo is
distracted by
something random
murderer accuses Columbo of thinking they're the murderer
Murderer upset when Columbo doesn't go after the person they framed
Columbo marvels at killer's house/car/etc
trick the murderer into revealing they're the murderer