1.  As his preachings became increasingly apocalyptic, he mailed letters to Denver churches, accusing them of "Satanic" preaching.

2.  Days before he killed himself, Mueller mailed letters of apology to Lowry's parents, and his widow and 2-year-old daughter.

3.  Each letter was mailed from Trenton, N.J., on Oct. 9, 2001.

4.  Every month, he says, he mails 100 letters to teachers, officials, students and journalists in Vietnam.

5.  Family Publishers, which employed 60 people, mailed letters promising one of five prizes "absolutely guaranteed" if the customer buys subscriptions to several magazines.

6.  FBI agents were reviewing videotapes from the security cameras in many post offices lobbies, hoping to identify the person who mailed the letters.

7.  Fans can also fill out an online form to have a letter mailed to a specific network, with the site handling printing and postage.

8.  FBI agents were reviewing videotapes from the security cameras in many post offices, hoping to identify the person who mailed the letters.

9.  For example, they said, Kaczynski mailed his letters 1,500 miles away from his home.

10.  For such reasons, one Fortune 50 (CQ) company about a year ago mailed employees letters urging them to exchange holiday greetings personally.