On “LA Times Today,” our drinking water supply is vulnerable to terrorist attacks, hackers and natural disasters. Is anything being done to fix the outdated software and aging infrastructure?

Plus, it’s a dangerous, flesh-eating street drug. An animal tranquilizer that’s spreading through LA’s drug supply.

Also, the downfall of high-flying Hollywood producer Randall Emmett. The lawsuits, debts and allegations of inappropriate behavior that threaten his empire.

And how to find true treasures at bargain prices. A guide to navigating LA’s estate sales.