this is "nightline." tonight, movie set tragedy. the stunning news about the assistant director who witnesses say handed alec baldwin the prop gun. >> it's like the perfect storm, the perfect recipe for a disaster. >> the up and coming cinematographer shot and killed. why hollywood is demanding answers. plus, social media burnout. some of the biggest stars. >> you can go from 10 views to 10 million views. >> but success comes with a price, the mental health cost. >> we're in such a world of instant gratification. >> it's something we can all

relate to. "nightline" will be right back. when you're driving a lincoln, stress seems to evaporate into thin air. which leaves us to wonder, where does it go? does it get tangled up in knots? or fall victim to gravity? or maybe it winds up somewhere over the bermuda triangle. perhaps you'll come up with your own theory of where the stress goes. behind the wheel of a lincoln is a mighty fine place to start. in business, setbacks change everything. so get comcast business internet and add securityedge. it helps keep your network safe by scanning for threats every 10 minutes.

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with the news today about one of the crew members, the assistant director coming under intense scrutiny. abc's kailee hartung is in new mexico tonight. >> it's unbelievable that something like this could have happened. >> i said it can't be true. i felt sick to my stomach. >> reporter: there's so many unanswered questions about what happened on the set of the movie "rust." >> we need an ambulance. >> reporter: after a prop gun, in the hands of famed actor alec baldwin discharged, killing the film's 42-year-old cinematographer halyna hutchins and injuring the director. eyewitnesss to the tragedy on the set of "rust" detailing the moments before and after the fatal shooting. >> it is clear that someone was negligent in allowing this to happen. >> reporter: tonight, we're learning the assistant director, who witnesses say handed baldwin a loaded gun was fired for a similar incident in 2019, when

another prop gun unexpectedly discharged, injuring a crew member. and in a new document obtain tonight, evidence of live ammunition collected from the movie set. >> there was a lot of ammunition? we don't know. the fact that there was live ammunition and it got into this gun is the biggest question here. >> reporter: this tragedy, sending shockwaves through hollywood and raising concerns about whether or not proper safety precautions were taken onset. >> what has happened here is some very tragic, unthink ablab errors. it's something you never want to see happen on the set of a movie or television show. >> reporter: yesterday, search warrants were released, including an interview with the film's director describing the moment the gun went off, sayi in a he was pointing the gun towards a camera lens.

souza was behind that camera when he said he heard what sounded like a whip, then a loud pop. a projectile fired, hitting halyna hutchins in the chest, piercing souza in the shoulder. a cameraman telling investigators there was no video or audio being recorded at that time. >> the video and audio certainly would have helped. the more difficult questions are going to be something that wouldn't have been on camera any way. and that is how did that live round end up in that weapon? >> reporter: an affidavit saying the firearm was one of three prop guns set up by the armor, 42-year-o and indicating to everyone the prop gun did not have any live rounds, which the a.d. told investigators he believed to be true. >> well, in my history, i never allow anybody or my staff allows

anybody to touch a firearm and hand it to an actor. it's up to me. i'm the person that hands it to the actor and takes it away from the actor. not anybody else. >> reporter: gutierrez-reed was responsible for all weapons onset. her father is a well-known armorer, managing weapons for movies like "tombstone." it was only her second film as armorer. just six weeks ago, she described how nervous she was during her first gig as head armorer on another film earlier this year. >> i kind of just caught on my myself. i think loading blanks is like the scariest thing to me because i i don't know anything about it. >> reporter: an actor saying she took her job seriously. bt a member of the "rust" camera crew describes a troubled set, with concerns about gun safety, pay and lodging.

a cameraman saying just hours before the shooting, some members of the camera department walked off the set in protest. >> this is a small, scrappy independent film with a budget of about $7 million. it felt unsafe because they didn't think people had the right experience to be there, and they were being overworked and underpaid. >> reporter: the production company telling abc news they were not made aware of any official complaints concerning weapon or prop safety onset and will be conducting an internal review of our procedures. >> it's safe, there's nothing in it. >> reporter: charles steeler has worked in hollywood for more than 30 years. working on blockbuster films like "suicide squad."" >> the first rule of thumb is a weapon should be considered always loaded. if you consider it a loaded gun all the time, you will respect it. >> reporter: whenever he's working with an actor who is handling a gun, he says he goes through the following procedure.

>> i'll show the actor the empty gun first. >> reporter: every time a weapon is used. >> i will show them the type of blank that we're going to use and everybody understands what is about to happen. and then we have a rehearsal. we make sure that the actor has the action down pat and everybody, especially me, that i'm satisfied we can do this safely. then i'll load the firearm. i wait for the a.d. to say, we're ready. at that moment, i will turn and i will hand it to the actor safely. >> reporter: the "rust" tragedy prompting for some to call for change. >> right now there is a big call for firearms to be banned on tv sets. there is no reason for firearms to be on the setr tv show because unfortunately, there could be human error and death. >> reporter: it's been nearly 30 years since a similar accident killed brandon lee. son of bruce lee while he was filming "the crow." >> a fellow actor pulled the

trigger on a gun supposedly loaded with blanks. >> reporter: brandon's sister, shannon saying the "rust" tragedy is maddening. >> there's no reason to have a gun that can fire a projectile on a set. there's technology, special effects, all sorts of things that can cover that. >> reporter: the question now, who will be held liable for what happened on the set of "rust"? >> i think it's very unlikely that alec baldwin, the actor, will be charged for pulling the trigger. alec baldwin the producer is a separate question. there are going to be serious questions, including possible criminal questions, about how that live round ended up on the set. >> reporter: baldwin's production company is producing the film.

baldwin taking to twitter writing, there are no words to convey my shock and sadness regarding the tragic accident that took the life of halyna hutchins. a wife, mother, and deeply admired colleague of ours. my heart is broken for her husband, their son, and all who knew and loved halyna. heralded as a rising star behind the camera, her last instagram post showed her excitement for being part of this production. >> she was the kind of filmmaker who would stand in any uncomfortable place with her camera to get a shot that she thought would be the right shot, and you could not move her to compromise. >> reporter: over the weekend, vigils in new mexico, and california, remembering her life and work. >> i would have been lucky to have ever done another movie with another person like that or with her, and -- and i don't get to.

that sucks. >> reporter: her legacy now living on in family and friends she left behind, and the renewed calls for safety on movie sets. >> our thanks to kailee. up next, some of social media's biggest influencers revealing how the constant pressure to generate never-ending content is influencing their mental health. is struggling to manage your type 2 diabetes knocking you out of your zone? lowering your a1c with once-weekly ozempic® can help you get back in it. oh, oh, oh, ozempic®! my zone... lowering my a1c, cv risk, and losing some weight... now, back to the game! ozempic® is proven to lower a1c. most people who took ozempic® reached an a1c under 7 and maintained it.

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let's face it, it's something we all feel, burnout. from never being able to fully unplug. but imagine if social media was your job. >> reporter: brooklyn web isn't your typical teen. >> let me show you a trending dance right now. ♪ ♪ >> reporter: if you open up tiktok, you're likely to see her, racking up hundreds of thousands, even millions of views. what is it about tiktok that you liked? >> i think what everyone liked, including myself, is the random possibility of a video of yourself blowing up out of complete nowhere and overnight. you could go from ten views to 10 million views. ♪ ♪ >> reporter: with 9.8 million followers, she's known for her lipsyncing, cosplaying, and videos on body positivity.

>> i was posting five to seven times a day. i started to see a little bit of success kind of creep up. >> reporter: pulling back the curtain, the costumes and carefree dance moves, you'll find a much darker reality. >> it felt like i was spending time on tiktok and doing nothing else. i was either filming videos or scrolling through tiktok looking for ideas. it was just complete burnout. >> reporter: they are not finding it difficult to keep up with the efficient-changing nature of sneethese platforms. >> when the currency of the social media platform is attention, it puts pressure on the content creators to constantly be posting new material so they can generate that attention, more followers, more like. where is the s.e.a.l.ing? when sit enough followers?

given the fact that there's always a possibility to generate more popularity, it's potentially infinite. >> reporter: to up and comers to more seasoned creators new york one is immune. >> for creators that are struggling with this idea of like i got to post something else every single day, every hour, that's exhausting. >> we're in such a world of instant gratification like no other, and it's such an end last cycle. >> tell me about that mentality, that need to feed the engagement and feed your followers. addicting feeling i had to keep going and going, because i didn't want to take a break, because then just one day off, that's a day of engagement gone. >> so themental health does take a back seat to you. >> yeah. >> reporter: the constant grind of turning out post after post can leave them feeling exhausted and burnt out. >> i think i have at some point, laid in bed all day. >> reporter: that exhaustion, symptomatic of a pandemic

induced anxiety that's sweeping the country. a survey has shown that younger generations are more affected by burnout, with 59% of millennials and 58% of gen z-ers experiencing burnout this year. >> the vulnerability is for younger content creators. they don't have that separation between offline and online self. if your digital device ask your primary source of income, that's not work-life balance if you're trying to enjoy a meal and go for a walk with your dog and now you're thinking about content that you can create for your platform. >> the number one reason for my burnout is not having any security long-term. there are times when i think what am i going to be doing in five or ten years? >> reporter: in 2011, alicia marie dropped out of college to pursue youtube full time, leading to more than 8 million subscribers and 195 million views on her main channel alone. most famous for her

back-to-school fashion videos, she took on the production all by herself for ten years. >> uploading twice a week, filming, brainstorming, every single day. there were multiple sleepless nights, definitely a lot of all nighters. it was just this crazy cycle, and i was exhausted by i loved it. i started resenting it. i was at lunch with my sister, and i texted my manager. i think i need to take a break. then i started shaking and crying, a full-on panic attack. i was thinking if this is how i'm reacting to taking a break, it's bad and it's real. >> yeah, oh, my god. i felt so weird. i need to take a break from this channel. >> reporter: in 2018, alicia marie decided to hit pause. >> up until this point, i had never seen a career actually take a break successfully. a whole bunch of creators had

taken a break, but to be blunt, everyone saw them as now irrelevant. >> oh, man, i'm not proud of what i'm uploading on this channel. >> reporter: a lesson learned from her 2-month-long break, not being afraid to ask for help. >> my biggest advice to people is honestly, being in tune with who you are and having a good support system around you, because it is very tricky and it is a business and it's naive to ignore that. i think i've learned that a little more about quality over quantity. >> reporter: for creators like zach king, whose popularity spans multiple platforms over the years, from youtube to instagram, to tiktok. sometimes taking a step back is the best way to move forward. >> it's really setting boundaries. maybe your phone is off after 5:00 p.m. maybe you're not on it.

i think there's a lot of benefits of having your audience right there at the fingertips, but also it can be destructive if that's what you're always thinking about. in real life, we look normal. >> reporter: zach's key to a sustainable career, putting creativity above the cloud. >> when we go into our production meeting, if we're not creating something interesting, why are we spending time doing that? why are we commuting here and building these sets just to, you know, feed the beast? >> what's the advice for young creators who are feeling that burnout? >> i would requestion why you're doing it. if you're in it to chase numbers or followers, you're going to get tired. >> the past two years, i've been really trying to cater to my audience instead of growing my audience. if i focus on the little family that i've built and people notice and want to come in, then amazing. >> reporter: but for brooklyn,

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idea of doing something selfless. >> teddy bears and stuffed animals. nice. >> reporter: his dad, rashaan, recorded this video of him filling up gift bags for the other children. >> this is very nice. you're going to make all these kds so happy tonight. >> what an angel. that's "nightline." watch all of our full episodes on hulu. see you back here same time tomorrow. thanks for staying up with us. good night, america.