Los Angeles November 29, 2021 11:43 pm Missing Mother Heidi Planck Is Believed to Be Dead Investigators now believe Heidi Planck is dead and they are searching a landfill in Castaic for clues. Hetty Chang reports for the NBC4 News at 11 p.m. on Nov. 29, 2021. US & World Videos 3:41 Entry restricted at USC as protests continue on campus 0:44 Security guard shot at $12 million Encino home 3:26 Confrontations occur at UCLA campus amid ongoing protests 2:44 Tommy Trojan statue cleaned after vandalism 0:57 Fights break out at UCLA between pro-Palestinian, pro-Israel supporters