Throw in spot

I'm sure it's been discussed before & I searched previous posts, but couldn't come up with anything current.

Designated spot throw in on sideline or endline goes OOB w/out being touched.
Opponents throw in from original spot?

Designated spot throw in on sideline or endline is caught OOB.
Opponents throw in from where the ball was caught OOB or original spot?

After an awarded or made basket the throw in goes OOB w/out being touched.
Original spot or where the ball went OOB?

After an awarded or made basket the throw in is caught OOB.
Opponents throw in from where the ball was caught OOB or original spot?


Thanks