[oil_dude]

How is it possible his neighbors never saw him in a uniform or patrol car? Something fishy here?

[Bonemaker]

Could have had locker at station and changed there.

[JimRed]

How is it possible his neighbors never saw him in a uniform or patrol car?

Not all departments permit patrol cars to be taken home. Many police officers change from civvies to uniform in a stationhouse locker room.