A North Texas-based envelope company has filed for Chapter 11 bankruptcy. Headquarters for the National Envelope Corporation are located in Frisco. Officials say the company has been hit hard by the popularity of e-mail.
There have now been nine white powder scares in two days in North Texas cities.
A lockdown has been lifted after a Dallas high school got a scary piece of mail.
Even MORE envelopes with white powder are delivered to North Texas businesses.