Earlier, investigators indicated that the fire, which took 96 lives, might have been connected to labor-management relations at the hotel.
Although the specific underlying cause of the condition is unknown, investigators indicate that genetic factors may play some role.
When conflicting evidence cannot be resolved, the careful investigator indicates that causality cannot be established.
But investigators and lawyers in the case have indicated that further charges are expected, possibly as early as this week.
However, investigators indicated that they thought the killing was a botched extortion attempt on him.
A visual analog scale is a line with defined end-points on which investigators indicate a patient's health state.
Now he stared in wonder as the impromptu investigator indicated certain marks that had escaped his notice.
The investigators indicated that none of the three men charged today actually placed the bombs.
The investigators, who have subpoenaed a decade's worth of records from the industry, have indicated that even more damaging revelations are to come.
The report said an investigator "indicated that the cargo bay lining was the most significant find."