These are the headlines you Need2Know:
* **Toronto Shooter Had Tumultuous Mental History:**
The parents of slain shooter Faisal Hussain went public on his history of mental illness, but officials have not yet identified his motives. The 29-year-old shot and killed two and wounded at least a dozen on Sunday. Read the details [here](https://www.cnn.com/2018/07/24/americas/toronto-shooting-investigation/index.html).
* **Umbrellas Up, Northeasterners!:**
A flash-flood warning is in effect after heavy rainfall has flooded several Pennsylvanian towns. In Scranton, certain parts of Hershey park are submerged in water. See the map [here](https://twitter.com/NWS/status/1021536276095426560).
* **Twitter War Forges Ahead:**
Following President Trump’s all-caps [Twitter](https://twitter.com/realDonaldTrump/status/1021234525626609666) threat to Iranian President Hassan Rouhani, the Iranian Foreign Minister Mohammad Javad Zarif fired back on Monday, warning the U.S. to, “BE CAUTIOUS!” Read the full subtweet from Zarif [here](https://twitter.com/JZarif/status/1021471196242735104).
* **North Korea Tunes it Down:**
Just over a month after Trump met with North Korean leader Kim Jong-un in Singapore to discuss denuclearization, the country is dismantling several ballistic missile launch sites. Stay with the story [here](https://www.theguardian.com/world/2018/jul/24/north-korea-satellite-images-show-dismantling-of-missile-test-facilities-report).
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The Pentagon is pulling back about 1,100 active military troops from the U.S.-Mexico border.
Vice President Kamala Harris rejected an invitation from Florida Gov. Ron DeSantis to debate new standards in Black history education in that state.
Clinics in Indiana have stopped abortion services ahead of the state's enactment of a total ban.
Vice President Kamala Harris has publicly declined Florida Gov. Ron DeSantis' invitation to debate new standards in Black history education in Florida.
New Jersey is mourning the loss of Lt. Gov. Sheila Oliver, who passed away at the age of 71.
Trump is facing a new set of felony charges after a federal grand jury indicted him on crimes related to his attempt to overturn the 2020 election.
The Justice Department's four-count indictment Tuesday accuses the former president of assaulting the underpinnings of democracy in a frantic but ultimately failed effort to cling to power.
Thousands of Marines backed by advanced U.S. fighter jets and warships are slowly building up a presence in the Persian Gulf. It’s a sign that while America’s wars in the region may be finished, its conflict with Iran over its advancing nuclear program continues to worsen, with no solutions in sight.
President Joe Biden has decided to keep U.S. Space Command headquarters in Colorado, overturning a last-ditch decision by the Trump administration to move it to Alabama. The choice ended months of thorny deliberations, but an Alabama lawmaker vowed to fight on.
Parents and faith leaders have sued to stop Oklahoma from creating what would be the first religious public charter school in the nation.
