[FreePaul]

...the authorities will wait to make an potential arrest until then.

How do the authorities conduct a "potential arrest"? Is that something related to trial by media?

[wimpycat]

That means any arrests that the Modesto police are contemplating won't be made until after the tests results come back from the lab.

[Devil_Anse]

The potential arrest will be for presumptive homicide. He will be taken into virtual custody and will be constructively handcuffed. There will then be a circus trial by media.