Wilson-Sampras was diagnosed last December and has undergone major surgery and attended chemotherapy sessions.
The 'La Haine' helmer is said to be in a "worrying" state, according to reports.
Officers went to the home of music veteran Mark Capps after he was accused of holding his wife and stepdaughter at gunpoint.
Mester has been fired after going off-script and calling out how the station handled the resignation of his longtime co-anchor Romero.
More than 30 people were wounded in the mass shooting in Highland Park, Illinois.
After Kahn takes over in June, Dean Baquet will shift to a new role at the Times, to be announced soon.
WETA in Washington will also take over production of the weekend edition of the program from New York's WNET.
The executive will succeed Luis Fernández, who is set to retire at the end of the year.