Cop radioes it to another lady cop
He ran by a tree, there he saw this sista
As Ty runs from the undercover cop, the cop calls another cop nearby. The radioed cop is a “lady cop”. Normally this would be a strange detail. Rick does this so that he can set up the next two lines, where “sister” rhymes with “missed her”. If the cop was a dude, this wouldn’t work. Even though this approach is a little contrived, the rhyme is cool, so it pays off in the end.
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