Texas leads the country in flood deaths. Steep hills, shallow soils and a fault zone have made Hill Country, also called "flash flood alley," one of the state's most dangerous regions.

As authorities search for victims of the flash floods in Texas that killed more than 100 people over the Fourth of July holiday weekend, social media users are spreading false claims that the devastation was caused by weather modification.

PolitiFact | Cloud seeding could not have caused the disaster because the process increases precipitation only by a small amount, experts said.