Making the arrest is like what you said about getting the story first.
We turn the information over to them, they make the arrest.
At present we haven't enough evidence to make an arrest.
The only problem was how were they going to make an arrest?
As of last night, the police said they had not made an arrest in the case.
The police have made arrests in only 3 of the 18 cases.
It took the police more than three years to make an arrest.
This was the evidence the police needed to make an arrest.
If they made an arrest, they'd have a key piece of physical evidence.
By 1956 it made 1000 arrests per year for the first time.