I don't know shit about flying a helicopter but I do know what a turbine sounds like4 when it is winding down. I think autorotate is the key for such situations but maybe that was not an option for this scenario.
BREAKING: TV news helicopter crashes during live shot of bus crash in Los Angeles.
The helicopter belongs to NBC Los Angeles (KNBC-TV). No word yet on casualties.
https://x.com/BNONews/status/2100045119739039821