A former director of the Food and Drug Administration 's import operations said the expanded search raises a number of questions . Starting tomorrow , they will intercept some food from Mexico at the border . Sources say salmonella is expanding to beans , peppers and scallions . 943 people in 50 states , the District of Columbia , Canada have become ill .
Starting tomorrow , they will intercept some food from Mexico at the border . Sources say salmonella is expanding to beans , peppers and scallions . 943 people in 50 states , the District of Columbia , Canada have become ill .