1.   All these workplace shootings have me worried.

2.   But the recent shooting at day-trading firms in Atlanta has put employees more on edge, made workplace shootings more real.

3.   But the recent shooting at two day-trading firms in Atlanta has put employees more on edge, made workplace shootings more real.

4.   It was just one of a rash of well- publicized workplace shootings that prompted big changes in the U.S. Postal Service.

5.   Workplace shootings remain rare in Germany, even though crime has risen overall in recent years.