Hey there from CNN, I'm Chris Debeau with the five things you need to know for Wednesday, July 17th.

It's day three of the RNC in Milwaukee, where the theme will be Make America Strong once again,

and the Trump campaign is referring to it as

the VP nominees night. A source with direct knowledge of his remarks says J.D. Vance's

speech is expected to focus heavily on his personal life story detailed in his best-selling book Hillbilly Elegi.

He's the son of a heroin addict raised by his grandparents in poverty-stricken Rust Belt Ohio

before enlisting in the Marines and attending the Ohio State University

and Yale Law School. A source familiar with the schedule tells CNN, VP runner-up

Doug Bergam, the governor of North Dakota, will speak today, along with the family

of an Israeli hostage, veterans, and

Gold Star families.

Former President Donald Trump is slated to speak tomorrow, and a senior campaign advisor

Jason Miller says the tone of the Republican presidential

nominee's speech will be totally different than the version drafted

before. When somebody tries to kill you you have an assassination attempt of course

it's going to change your life it's going to change your outlook

doesn't mean we don't have serious issues that we don't have of course it's going to change your life, it's going to change your outlook.

Doesn't mean we don't have serious issues that we don't have to tackle, but the tone has to change.

Four days after the assassination attempt on Trump, an investigator still don't know the 20-year-old shooter's

motive or the security failures that allowed it to happen. But we're learning more

about Thomas Matthew Crooks movements and how he was able to get on the roof.

Multiple law enforcement sources say Crooks had taken the day off of work

...