Heber's book and the name of his weight-loss plan promote the company's signature product.

FORBES: Supplemental Income

As the school went into lockdown amid the shooting, Heber's wife texted him from her office, reminding him to lock his classroom door.

CNN: Teacher talks armed student into giving up, police say

When David Heber appeared recently on ABC's Good Morning, America, viewers believed the noted nutritionist was pitching his new book, The L.A. Shape Diet.

FORBES: Supplemental Income

In whipping up a soy-milk-and-blueberry shake from Herbalife's ShapeWorks protein powder, Heber was also promoting the controversial dietary supplement company.

FORBES: Supplemental Income

The Cleburne County Sheriff's Office said in a news release that McCready was found dead at a residence in Heber Springs from what appears to be a single, self-inflicted gunshot to the head.

NPR: Singer Mindy McCready Dies In Apparent Suicide