Washington, D.C. officials have now positively identified 66 of the 67 people killed in Wednesday's midair collision between an American Airlines passenger jet and a military helicopter over the Potomac River.

Meanwhile, federal investigators are working to piece together what led to the crash and recovery crews are set to pull more wreckage from the water.

U.S. Sens. Jerry Moran and Roger Marshall said Thursday afternoon that they have not been told who was on the flight from Wichita that crashed in DC.

Officials said on Wednesday they have positively identified all 67 people killed in last week's midair collision between an American Airlines passenger jet and a military helicopter over the Potomac River in Washington.

Authorities recovered all of the 67 victims from the Potomac River less than a week after an American Airlines flight collided with an Army Black Hawk helicopter in the Washington, D.C., area.

Officials confirmed Tuesday that all 67 victims in the DC midair crash have been recovered from the Potomac River, with 66 bodies positively identified.

Officials have positively identified 66 of the 67 people killed in Wednesday's midair collision between an American Airlines passenger jet and a military helicopter over the Potomac River in Washington,

All 67 victims have been recovered from the Potomac River following a deadly mid-air collision between an American Airlines plane and a military helicopter. 60 victims were passengers aboard American Airlines flight 5342.