Shell casings with messages inscribed on them have been recovered after three high-profile attacks within the past year.

Newly released autopsy details gunshot wounds of Andrew Canepa, 33, of Newbury Park, Calif. He was one of three victims killed at Grand Sierra Resort.

*Market participants are waiting on key events happening after today's open. *President Trump speaks to the UN at 9:50 a.m. ET, and Fed Chair Powell speaks at 12:35 p.m. about the economic outlook.

We get it, you're busy. Here are 10 things that came up this week that you should be aware of. View Gallery ...