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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Florida Gov. Ron DeSantis was involved in a multi-car accident on Tuesday in Tennessee but was uninjured as he traveled in a motorcade to a campaign stop for his 2024 presidential bid.
The Biden administration is proposing new rules to increase coverage for mental health treatments.
The U.S. is set to send up to $400 million in additional military aid to Ukraine.
The lawyer for former NYPD commissioner Bernard Kerik turned over thousands of pages and documents to a special counsel as part of an investigation into Kerik's alleged involvement to overturn the results of the 2020 election.
The Justice Department invited the prosecutor who brought charges against Hunter Biden to testify in a public hearing this fall.
Israel’s parliament on Monday approved the first major law in Prime Minister Benjamin Netanyahu’s contentious plan to overhaul the country’s justice system, triggering a new burst of mass protests and drawing accusations that he was pushing the country toward authoritarian rule.
North Korea fired two short-range ballistic missiles into its eastern sea, South Korea’s military said Tuesday, adding to a recent streak in weapons testing that is apparently in protest of the U.S. sending major naval assets to South Korea in a show of force.
Now the federal Mine Safety and Health Administration has proposed a rule that would cut the current limit for silica exposure by half — a major victory for safety advocates. But there is skepticism and concern about the government following through after years of broken promises and delays.
Minneapolis is backing away from enforcing laws that criminalize buying psychedelic plants or using them in private.
A state trooper's account of officers denying migrants water in 100-degree Fahrenheit (37.7 Celsius) temperatures and razor wire leaving asylum-seekers bloodied has prompted renewed criticism.
