USPS employee in custody after allegedly shooting 2 coworkers in Iowa post office
A USPS employee is in custody after allegedly opening fire and wounding two coworkers inside a postal office in Iowa. CBS News' Lana Zak reports.
<p>A USPS employee is in custody after allegedly opening fire and wounding two coworkers inside a postal office in Iowa. CBS News' Lana Zak reports.</p>