That is, there on his back, scalp bleeding, he gave, by shooting me a certain look, like, Dude, come on, we're not all that serious about this, are we?

When cops arrived they found the girlfriend bleeding from the face with a contusion on the back of her head.

The risk of bleeding caused by the procedure, they found, can be reduced by doing the puncture at the middle of the lower back rather than at the lowest levels of the spine.