If you do that, you'll get caught by the cops.
I heard that guy got caught by the cops.
We were being loud and the cops showed up.
It's dangerous, so we'd better call the cops.
札 (さつ) means a paper bill or banknote, which is easily confused by sound with サツ, the slang term for the police.
Katakana spelling is standard for this slang term; usually written in kana.
Kanji form is rarely used for this slang meaning; it is more commonly associated with the reading さつ in words like 警察 (けいさつ).
Abbreviation of 警察 (けいさつ, police), with the reading さつ taken from the second character. The katakana spelling サツ is typical for slang abbreviations.
inspection; supervision; inspector
guess; conjecture; surmise
guess; sense; presume; judge · sympathize with; feel for
inspection; investigation; audit
discernment; keen insight; acumen · your discernment; your insight; your conjecture
reflection; consideration; introspection
criminal investigation; prosecution · examination; investigation
preliminary guess; advance conjecture
guess; sense; presume; judge · sympathize with; understand (someone's feelings)
inspection round; patrol
humbly considering your opinion
surmise; conjecture; speculation
pity; mercy; compassion
sympathy; compassion; pity
surmise; guess; infer
careful examination; close observation