FBI Continues to Investigate Suspicious Powder Sent to D.C. Schools

The FBI more than 29 instances in which a suspicious powder was mailed to D.C. Public Schools. Two Georgetown schools were affected: and .

In a release today, the FBI said the letters are all similar in style and content to other suspicious letters under investigation by Dallas FBI and U.S. Postal Inspectors. The letters are also similar to those received by several D.C. schools in in October 2010.

Though no hazardous substances were found in the mailings and no illnesses or injuries have been reported as a result, the Bureau will follow standard procedure to analyze the substances.

In a release yesterday, Mayor Gray said, "this was a dastardly and incredibly disruptive act that has alarmed people unnecessarily.”

Here is th list of confirmed school affected:

1. Terrell Elementary: 3301 Wheeler RD SE
2. Brown Elementary: 4800 Meade ST NE
3. Powell Elementary: 1350 Upshur ST NW
4. King Elementary: 3200 6th ST SE
5. Lafayette Elementary: 5701 Broad Branch RD NW
6. Johnson Jr. High: 1400 Bruce PL SE
7. Hamilton Elementary: 1400 Brentwood Rd NE
8. The School Without Walls: 2130 G ST NW
9. Ballou Senior High School: 3401 4th ST, SE
10. Burroughs Education Campus: 1820 Monroe ST, NE
11. Marie Reed Elementary: 2201 18TH ST, NW
12. Ross Elementary: 1730 R ST, NW
13. Phelps Junior High: 704 26TH ST, NE
14. Houston Elementary: 1100 50TH PL, NE
15. Duke Ellington School: 3500 R ST, NW
16. Hardy Middle School: 1819 35th ST, NW
17. Peabody Elementary: 425 C ST, NE
18. Anne Beers School: 3600 Alabama AVE, SE
19. Banneker Day Care: 800 Euclid ST, NW
20. Eaton Elementary: 3301 Lowell ST, NW
21. Bunker Hill Elementary: 1401 Michigan Ave., NE
22. Maude Aiton Elementary: 533 48th PL, NE
23. Plummer Elementary: 4601 Texas Ave., SE
24. Thurgood Marshall Elementary: 3100 Ft. Lincoln DR, NE
25. Eastern High School: 1700 East Capital ST, NE
26. Lasalle Elementary: 501 Riggs RD, NE
27. Amidon Elementary: 401 I ST, SW
28. 1000 Mt. Olive RD, NE