Sen. Ted Cruz (R-Texas) is threatening to subpoena the U.S. Army over a document he said would shed light on a deadly midair plane collision that killed 67 people in D.C. in January.

Sen. Ted Cruz (R-Texas) is threatening to subpoena the U.S. Army over a document he said would shed light on a deadly midair plane collision that killed 67 people in D.C. in January.