♪ this is "nightline." >> juju: tonight, brazen escape. the stunning new video showing exactly how a convicted killer escaped a pennsylvania prison, crawling up a wall before slipping through razor wire. now spotted seven times in nearly a week. why authorities are on the hot seat as the urgent manhunt continues. plus, shocking allegations. ruby frankie, the utah mommy

blogger known for giving tough love advice to millions of followers -- >> i was really hoping keeping them home from school, wiping the floorboards, would really bring pain. >> juju: now facing six counts of child abuse. >> there were sores around his wrists and ankles -- >> juju: what allegedly happened behind the camera. >> i feel the warning signs have been there for a very long time. keeping school safe. with class back in session, so too are the fears. the new technology using a.i. to detect the next school shooter. we go inside one high school to see how it works. >> dispatching alerts at ocean city high school. >> juju: not everyone is convinced. ma, ma, ma— ( clears throat ) for fast sore throat relief, try vicks vapocool drops. with two times more menthol per drop, and powerful vicks vapors to vaporize sore throat pain. vicks vapocool drops. vaporize sore throat pain.

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thanks for joining us. tonight, the urgent manhunt for a convicted killer who escaped from a pennsylvania prison. and the stunning new video showing exactly how he did it. surveillance footage from the chester county prison shows danelo cavalcante in the exercise yard scaling a narrow hallway with his hands on one was that and his feet on the other. cavalcante, who received a life sentence last month for fatally stabbing his ex-girlfriend, then

slipped through razor wire and got away. authorities say he's been spotted at least seven times in the six days since, including on trail cameras not far from the prison. after another inmate escaped the same way from that prison in may, authorities added that razor wire. this time it took more than an hour before guards noticed and sounded the alarm. a reward is being offered for his capture, and some local schools have been closed as a precaution. now a utah mother of six and well-known parenting influencer charged now with abusing her own children. ruby franke made a name for herself with videos promoting a strict upbringing. but authorities say that behind the cameras, something much more sinister may have been at play. here's abc's kayna wentworth. >> reporter: shocking and horrifying allegations against popular youtube have a logger ruby franke, arrested and charged with six counts of

felony child abuse in utah. >> i was very, very disturbed, and my heart just absolutely breaks for those children. >> reporter: the mormon mother of six gained online fame with her tough and often controversial parenting advice. >> i was really hoping that, like, keeping them home from school and wiping the floorboards would, like, really bring pain. >> reporter: she's now under investigation after her 12-year-old son escaped through a window and ran to a neighbor's home pleading for food and water, according to authorities. >> duct tape around each ankle. he's not saying why. said there are sores around his wrists and ankles. >> reporter: court documents alleging further details of abuse and neglect, noting that the 12-year-old was severely malnourished and had deep lacerations from being tied up with rope and from his malnourishment. authorities flaming franke's 10-year-old daughter was found malnourished inside the home,

which was owned by franke's business partner, jody hildebrand who has also been arrested and charged with six counts of felony child abuse. >> aggravated child abuse is a serious felony in the state of utah. it's a punishment of anywhere from one to 15 years for each charge. >> reporter: according to court documents, four of franke's children were taken into child protective services. their father, kevin, seen here in one of ruby's many social media videos -- >> kevin and i have decided that we are going to give the gift of truth to them. >> reporter: has denied any wrongdoing through his attorney, randy kester, who says the couple has been estranged and living apart over a year. >> he's a good person. he's a very gentle guy. no one's ever made any allegations that he's ever physically abused those kids or anyone else. >> reporter: other family members also speaking out. >> i don't think any of us could have ever seen this coming. >> reporter: in a since-deleted video from her youtube, franke's

sister bobby says family members tried to intervene. >> we all about did as much as we could legally, and you don't know what you don't know. >> reporter: franke first rose to fame in the 2010s. the 41-year-old's channel amassing over 2 million followers before it was taken down. >> the children were her cash cow with this type of content. >> reporter: youtube documentarian swoop has been following what happened and says she noticed signs in franke's videos that seemed concerning to her. >> she was often giving parental advice, and most of it seemed to showcase how she decided to punish her children in ways that were -- became increasingly alarming and very questionable. >> reporter: and back in 2020, viewers lodged a change.org petition, calling for child protective services to investigate franke. >> the warning signs have been there for a very long time with ruby franke and in the content

she was making, the things she was saying. >> this case is unique because she videotaped so much of the interaction with the children. so her hard drives, her laptops, her cell phone, anything that could have a recording on it, that's going to be seized and analyzed to see if there are more allegations that can be charged or if there's just more evidence to prove what she's already been charged with. >> reporter: franke and hildebrandt are scheduled to appear in court for the first time friday. >> juju: our thanks to kayna. up next, can the next school shooter be stopped? with students back in class, a closer look at a new a.i. technology designed to do just that. when moderate to severe ulcerative colitis takes you off course. put it in check with rinvoq, a once-daily pill. when i wanted to see results fast, rinvoq delivered rapid symptom relief and helped leave bathroom urgency behind. check. when uc tried to slow me down... i got lasting, steroid-free remission with rinvoq.

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♪ it's back to school time, and as millions of students return to the classroom one high-tech security company is raising a serious question. can a.i. help prevent the next school shooting? "nightline's" ashan singh got a closer look. >> as a parent, i would do everything i could do to keep my own children safe. in the role of superintendent, it's that much greater a responsibility. >> reporter: like so many school administrators in america, scott mccartney's greatest fear is a shooter on his campus. >> i can remember having the talk with my staff about columbine. now having to have this conversation about just the unthinkable, the unimaginable, in schools. >> reporter: today, mccartney opened his school to let us see

what he hopes is a solution to the intractable problem. his district partnered with zero ads that uses artificial intelligence in conjunction with expert analysts to scan school security cameras for anyone carrying a gun. a warning, what you're about to see is a demonstration. this is a fake gunman brandishing his weapon. here's what he looks like from the security cameras. >> alert at ocean city high school -- >> reporter: within moments the a.i. detects the guns and sends a screen shot back to zero eyes headquarters in pennsylvania, staffed 24/7/365 days a year, ready to confirm whether or not a threat is real. >> true positive at ocean city high school. >> dispatch alert, call in point of contact. >> he'll row, this is zero eyes, verifying you received the alert? copy, law enforcement is en route. >> reporter: total, this alert, from a.i. detection to contacting law enforcement takes

less than 30 seconds, according to zero eyes. all the while, a.i. keeps sending back updated screen shots of where the shooter's moving. this demonstration, a reality for too many. there have been over 385 shootings in schools since 1999. in this calendar year, 28 already. it's become america's recurring tragedy. >> perhaps now america would wake up to the dimensions of this challenge. >> it's impossible to make sense of such violence and suffering. >> the majority of those who died today were children. beautiful little kids between the ages of 5 and 10 years old. >> no child, no teacher, should ever be in danger in an american school. >> the idea that an 18-year-old kid can walk into a gun store and buy two assault weapons is just wrong. >> reporter: with decades of failed attempts at gun reform,

some are desperate for alternate solutions. >> after the parkland school shooting, my oldest daughter had to go through her first active shooter drill. she came home upset. "are they going to come shoot my school?" >> michael, a father, veteran, and ceo and cofounder of zero eyes, the company mccartney is using in his school district. >> 15 times more people die from gun violence in a given year than fires in a building, yet every building you walk into is going to have a smoke detector, fire suppression system. it's only a matter of time we're going to have proactive solutions for active shooters, mass shootings, gun violence. >> reporter: he says it's expertly trained eyes of his staff that are key to interpreting what a.i. spots, taking into account open carry laws. >> we don't want our clients to receive false alarms. once they verify it's a real gun, they hit dispatch. it goes to our client, to the mobile app, desktop notification, puts it on a map. we're looking for the person in the parking lot or the stairwell, messing with a gun,

the bad actor. >> reporter: the company says it will notify a client if a security camera is down and it's never sent a false positive. >> it's actually just about the artificial intelligence detecting what appears to look like or be in the shape of a weapon, focus on the objects. we're not collecting biometric data, faces, names, any of that. it's just looking for an object, looking for a gun. >> reporter: he and his cofounders, mostly all former navy s.e.a.l.s, founded zero eyes in 2018. they say they're now working with hundreds of schools. this looks like a massive green screen. >> that's exactly what it is. >> reporter: zero eyes built a green screen lab to train their a.i. it has hundreds of security cameras from different manufacturers with varying angles. >> so we could change the backgrounds, then we can bring in a variety of different guns. make it very easy. create more and more data, which is very important. >> reporter: they also have an armory of fake guns to help refine what a.i. can detect.

>> a ton of different pistols, rifles. >> reporter: he says zero eyes should just be one layer of security that their goal is buy time for the first responders and people on the ground. >> we're not the magic cure-all for this. you have to have good security in layers. >> reporter: in addition to schools, zeroeyes is being used by hundreds of clients in more than 35 states, including local and federal governments, as well as tourist destinations like chicago's navy pier. >> so obviously we're a big public space. we bring up to 9 million people a year. >> reporter: brian murphy is the chief operating officer of the navy pier. he's also a former chief in the chicago police department. navy pier is massive. it's 50 acres and includes over 70 small businesses as well. >> a human can't simply watch cameras, as many as we have. we have 498 cameras on this space. >> reporter: zeroeyes has been in place almost a year, has not

yet received a legal detection, but the system has caught nonlethal systems flagged for awareness. >> memorial weekend, a lot of law enforcement helping us through the weekend. as one of the officers was preparing, taking out their weapon from the trunk, two different cameras within that space captured that image, drew that red box around it, immediately sent it to their operations center. they quickly determined it looks like a chicago police officer, sent it back to us as a nonlethal law enforcement detection. >> reporter: another instance, there was an on-duty coast guard officer detected as a nonlethal threat. another when off-duty officer was putting on his gun belt at night. >> i'd say so far this year, we've probably had 20 indications. all of them have been either nonlethal or law enforcement, which is a good thing. but at least we know it's working, right? it's not just sitting passive, it's telling us what it's spotting and we're confirming that here on location. >> reporter: even with zeroeyes'

human confirmation, there are growing concerns about using artificial intelligence in public and school settings. >> if it works right, it can help save lives. if it doesn't work right, it could actually be a distraction to response efforts. that can mean more lives lost. >> reporter: aclu has criticized a.i. technology generally for programming racial biases into systems, especially with facial recognition. >> artificial intelligence is only as good as the data that is used to teach the machine about a specific topic. if the data coming into the computer that's using artificial intelligence is flawed or incomplete, the judgments and the analysis created by the computer will be flawed or incomplete as well. >> reporter: taxpayers are often footing the bill for a.i. gun detection technologies through government budgets. but there's relatively little data on how well they work. zeroeyes says it complies and

has been certified by the department of homeland security safety act, but in general there's little recognition of the burg nooelg ning market. ftc warning a.i. companies to keep their performance claims in check. >> it's important for the public to know in terms of mass shoot actions, we've actually seen a rise. >> reporter: otis johnson jr. is the executive director at the johns hopkins center for safe and healthy schools. >> a question of zeroeyes being a solution i think is, again, contingent on how you define solution. if you think it's prevention, no. but if you think it's something that can reduce the severity of a crisis, definitely. >> reporter: for professor johnson, there's really only one solution to america's mass shooting problem. >> comprehensive gun safety policy. i don't think there's a replacement for that. >> the only time our operation centers are seeing anything off the camera is when it thinks it

sees a gun, it spits out that one key frame image from that. then we don't store that record the videos, keep the videos. >> do you have numbers on any instances of active shootings actually stopped? >> it hasn't been that nefarious actor in the school parking lot with their manifesto, waiting to cause harm. we haven't stopped that person yet. >> i don't think anybody should question or be fearful of an artificial intelligence program that's going to identify an immediate, iminnocent threat of someone being shot or killed. you can't put a price tag on saving a life. >> reporter: jay prettyman is the police chief in ocean city. he says he was attracted to zeroeyes' promise to reduce law enforcement response time. he asked the city council to adopt the technology at the ocean city boardwalk 2 hoping it will clarify information from 911 calls.

>> it takes close to three minutes before our call-takers feel that they have enough information to confidently dispatch to a danger zone. what zeroeyes presents is a shortening or collapsing of that time period. >> reporter: for prettyman, it's personal. he was fired on and lost two officers to an active shooter early in his career. >> the suspect was shooting at us with an ak-47. certainly worst day of my career, watching friends of mine die. but it helped me understand that complacency kills. and you can't stop evil. you have to do the best you can to prevent where it's going to happen and be prepared to respond once it does. >> juju: our thanks to ashan. up next, this is nothing to be angry about. the rolling stones are back and fans are getting the first taste of their new album. ♪ don't get angry with me ♪

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♪ finally tonight, the rolling stones are back. ♪ one two one two three ♪ >> the british rock legends launching their first studio album featuring new music in nearly two decades. revealing a video for the first single "angry" featuring "euphoria" actress sydney sweeney. the album is called "happy diamonds" and follows the 2021 death of original drummer charlie watts. looking for a-list appearances from lady gaga, paul mccartney, and stevie wonder. the full album is set for release october 20th. we're counting the days. that's "nightline." watch full episodes on hulu. see you back here same time tomorrow.