A senior investigator said the police had never been called to the couple's home.

"He is identified by at least five or six of the women," a senior investigator said.

"We had a senior investigator on the phone with her constantly."

It did not take officials long to start making entries on the board, said several senior investigators.

"We already had information about their objectives," a senior investigator said.

He was named a senior investigator before retiring in 1971.

"We still don't know where he got killed, or why," said a senior investigator who has supervised the case since its beginning.

"It doesn't get us all the way where we need to be," a senior investigator said of the lab finding.

We have no current senior investigators who are women.

Was there a position for a senior investigator out on the permafrost?