Threats Toward D.C. Public Schools

Developing:

Officials are responding to reports of suspicious letters being sent to 20 D.C. public schools, according to the FBI.

[...]

Sources said that each envelope has a sheet of paper in it with "al-Qaida" typed on the paper. Each of the letters is addressed with a type-written sticker on the envelope. All of the letters has Dallas, Texas, postmarks on them.

All city school mail rooms are on “lockdown” until this situation is resolved....

Coverage from another local news channel HERE.

I just got home from work and am trying to get more details. So far, all I have definitively learned is that the D.C. police and the FBI are investigating these letters as a crime -- not as a prank.