патрульного

патрульного

"Patrol officer."

In this sentence, "патрульного" is used to refer to a specific individual, namely the patrol officer, in the accusative case as the direct object of the verb "вызвали".

Патрульного вызвали на место происшествия.

The patrol officer was called to the scene of the incident.

Here, "патрульного" is again in the accusative case, indicating the object of the verb "видели" (we saw), referring to a patrol officer.

Мы видели патрульного на улице вчера вечером.

We saw the patrol officer on the street yesterday evening.

In this sentence, "патрульного" is in the genitive case, implying caution in relation to the patrol officer who might take action.

Не стоит привлекать внимание патрульного, идя по улице ночью.

You shouldn't attract the patrol officer's attention while walking down the street at night.