What happens next after a top Mexican cartel boss was killed?

Nemesio “El Mencho” Oseguera Cervantes, Mexico’s most-wanted cartel boss and head of the Jalisco New Generation Cartel, has been killed in a Mexican military operation aided by US intelligence. CNN’s David Culver explains how this killing could impact other rival groups and security in the region. 01:49 • Source: CNN 8 videos Nemesio “El Mencho” Oseguera Cervantes, Mexico’s most-wanted cartel boss and head of the Jalisco New Generation Cartel, has been killed in a Mexican military operation aided by US intelligence. CNN’s David Culver explains how this killing could impact other rival groups and security in the region. 01:49 • Source: CNN What happens next after a top Mexican cartel boss was killed? 01:49 Celebrity doctor Peter Attia has resigned from his new contributor position at CBS News following new revelations about his relationship with Jeffrey Epstein and has denied any wrongdoing. CNN’s Brian Stelter breaks down what happened. 01:01 • Source: CNN Peter Attia leaves CBS following Epstein emails 01:01 CNN’s Jim Sciutto speaks with Yoni Pizer, who was in Puerto Vallarta with his husband and friends when he says they were attacked by members of a cartel. 01:28 • Source: CNN American recounts Mexico violence following drug lord's killing 01:28 On President’s Day, artist collective First Amendment Troop, in collaboration with Hungryman Productions, performed a tribute dance honoring the lives of Renée Good and Alex Pretti. CNN spoke to the people behind the “ResistDance” about how it came to be. 02:21 • Source: CNN How the viral dance tribute to Renée Good and Alex Pretti came to be 02:21 John Davidson, who has Tourette syndrome and is the subject of the film “I Swear,” was heard shouting an involuntary slur during the BAFTA ceremony in London, prompting discussion about disability, impact and accountability. 03:13 • Source: CNN BAFTAs moment sparks Tourette debate 03:13 Nick Reiner has pleaded not guilty to murder charges in the deaths of his parents, Rob and Michelle Reiner. CNN’s Nick Watt reports from outside the courthouse in Los Angeles where Reiner appeared. 00:59 • Source: CNN Nick Reiner pleads ‘not guilty’ 00:59 A Delta flight was turned around following mechanical issues with its left engine, causing a grass fire near the runway. 00:53 • Source: CNN Flight’s engine trouble causes grass fire 00:53 Intense snowfall and heavy winds have ripped down power lines in Massachusetts, leaving many without electricity or heat. Journalist Jonathan Petramala reports from Brant Rock, where he says the snow feels like “icy BBs” on his skin. 00:50 • Source: CNN Whiteout conditions pummel coastal Massachusetts 00:50 See more videos