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).
Cheddar's Hena Doba with the latest.
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Melania Trump says it’s “heartbreaking” to see teens grapple with the fallout after they’re targeted by malicious and sexually explicit online content.
The Social Security Administration’s acting commissioner has stepped down from her role at the agency over Department of Government Efficiency requests.
Mexican President Claudia Sheinbaum says her government is not ruling out filing a civil lawsuit against Google if it maintains its stance of calling the stretch of sea between northeastern Mexico and the southeastern United States the “Gulf of America.” Sheinbaum, in her morning press conference on Thursday, said the president’s decree to change the name of the Gulf of Mexico is restricted to the “continental shelf of the United States” because Mexico still controls much of the body of water. “We have sovereignty over our continental shelf,” she said.
