♪ is also love in a lonely way ♪ [ cheers and applause ] this is "nightline." >> tonight, a hung jury in the karen read murder trial. accused of murdering her police officer boyfriend. what we're learning. plus, warnings in the water. rough surf making summer no day at the beach.

>> they step right into a riptide, according to our witnesses, and immediately were taken over by the power of the ocean. >> a recent spate of drugs on have mother nature on edge. >> listen, it's mother nature. you got to respect the ocean. >> now a new powerful storm brewing this holiday week, as millions head to the shore. what you need to know before getting into the water. and one-on-one with david ducho duchovny. >> there is classified government information i've been trying to access, but someone has been blocking my attempts to get at it. >> sharpening his acting chops on the "x files." >> i got to be on a show that expanded to science fiction, drama, comedy. >> to the award winning "californication." >> see any money? >> it's tied up with the attorneys. >> perfect. no harm, no foul. we're even. >> opening up about his need to wear many hats. >> inspiration comes when it comes. >> and the new project he wrote, directed and stars in inspired by a scary experience.

plus, who was coldplay's special guest at glastonbury? they called him one of the most amazing people on earth. >> "nightline" will be right back. (woman) with purina one true instinct, her true instincts really came alive. from day one, it's the high-protein nutrition she instinctively craves. it's making a real difference, supporting healthy energy and strong muscles. purina one true instinct is the food she was born to eat, helping her live the life she was born to live. (vo) purina one true instinct. a difference from day one.

♪ good evening and thank you for joining us. i'm trevor ault.

the murder trial that gripped the nation and divided the greater boston community today ended in a hung jury. where does that leave karen read, the woman accused? here is abc's erielle reshef. >> reporter: tonight a mistrial in the murder case making headlines. the jury hopelessly deadlocked in the trial of karen read, the boston area woman accused of killing her police officer boyfriend after a night of drinking. >> despite our rigorous efforts, we continue to find ourselves at an impasse. >> reporter: the judge reading the note from the jury. >> to continue to deliberate would be futile and only serve to force us to compromise these deeply held beliefs. i'm not going to do that to you folks. your service is complete. i'm declaring a mistrial in this case. >> reporter: prosecutors argued read hit her boyfriend, john o'keefe, with her lexus suv outside a party at another officer's home, allegedly leaving him to die in the snow. >> i hit him. i hit him. i hit him.

i hit him. those are the words of the defendant. >> reporter: they pointed to evidence, pieces of a taillight found days later, an expert testifying hair found on the car belonged to o'keefe. but the defense claimed karen read was framed and evidence planted. >> that hair was placed there. >> reporter: the defense argued read left her boyfriend at that party where he was killed and dumped outside, and that police tried to cover it up. defense experts said the injuries were not consistent with the impact from a car. o'keefe's family now faces a second trial. tonight, karen read's team says they'll be ready. >> no matter how long it takes, no matter how long they keep trying, we will not stop fighting. >> our thanks to a recent uptick in the number of drownings combined with storm-enhanced currents have lifeguards at a heightened state of alert, scanning the shoreline for crisis.

some have been preparing for this holiday week. here is abc's ike ejiochi. ♪ >> have you ever had to go in the water and actually save someone from drowning? >> thousands of times. this is year 41 for me. so i've done it since i was 16 years old. listen, it's mother nature. okay. you got to respect the ocean. i think people not being as aware as they should be. >> reporter: rich knows just how important his job is. >> good job, guys. >> reporter: he has been an ocean lifeguard on the shores of long beach, new york for decades. during the busy summer season, a day of fun in the sun can quickly take a dark turn. s that why his team does extensive training. >> demonstrating how to save swimmers from one of the biggest dang areas the beach, rip currents. >> we want to make sure they're thorough in every part of

lifeguarding. we want everybody here to come to the beach, but we also want everybody to leave the beach. and that's one of the things that we take a lot of pride in. you only swim where lifeguards are on duty you. should not be in the water when lifeguards are not there. >> reporter: in the past few weeks, dangerous and sometimes fatal encounters on beaches across the country. >> a day of swimming in lake michigan quickly turned into catastrophe. >> a couple from pennsylvania drowned off the martin county coast when they got caught in a rip current. >> rip currents are jets of water that can occur anywhere you have breaking waves. they can extend about 100 yards offshore. so the length of a football field or more. and they can reach speeds of about 5 miles per hour, which i know probably downtown sound that fast, but that's roughly the speed of the top olympic swimmers. >> reporter: according to a new report from the cdc, drowning deaths in the united states are on the rise following decades of decline. the exact cause for the spike, experts say is unclear, but what they do know, the water is

getting rougher. experts say about 100 people drown from rip currents along beaches in the united states each year, and more than 80% of beach rescues involve these hazards. so far this year, at least 19 people have died from rip currents. >> rip currents are caused by waves. and the larger the weaves, the more likely you are to have hazardous rip currents. and there is some evidence that suggests that over time waves are getting larger due to climate impacts. so it's possible that over time that increase in wave height could lead to an increase in rip currents. >> reporter: and as hurricane beryl makes landfall, the ear earliest on record to form in the atlantic, it raises concerns over treacherous rip currents forming more often, even hundreds of miles away. >> it might be a nice sunny day. it's not obvious that's it hazardous, but that storm that's hundreds of miles offshore is making large waves, which eventually make their way to the coast and potentially drive

strong rip currents. noaa predicts this is going to be an above normal hurricane season. even if those storms don't hit the coast, it would likely encourage an increase in rip current hazard this year. >> reporter: in queens, new york, at jacob riis beach, caution amongst beachgoers, especially for the youngest ones. >> we take turns making sure that he is safe. and any type of danger, you know, we're on top of him. >> reporter: over the weekend, two teenagers who went missing in these waters earlier this month were believed to be found dead. >> i want to be protected. there are lifeguards here. but we have no control of the ocean. you don't. >> reporter: in florida near panama city beach, heartbreak in the waters. in just 48 hours, rip currents left four people dead. and on florida's east coast, this couple from philadelphia traveling with six children also killed while taking a swim in the atlantic ocean. >> and they stepped right into a

riptide, according to our witnesses, and immediately were taken over by the power of the ocean. >> battalion 18 en route to bender park for reports of a drowning situation. >> reporter: even in state parks dangerous water conditions can claim lives. 17-year-old mohammed hussein was caught in a riptide in michigan. >> there was a lot of beachgoers, bystanders at bender park that day. the waves were considerable. >> reporter: bystander gabe gutierrez saved two other teens struggling in the water. >> 15 seconds of cpr where we saw him cough, and we felt a stronger pulse. and that was relieving. >> reporter: how busy does it get here during the summer? >> very busy. we're expecting a four-day weekend coming up for a lot of people taking off. well expect to be very busy. >> reporter: lifeguard rich barovski is raising the warning

on safety. >> green means fine. red flags means stop. not allowed in the area. and if you see a yellow flag, yellow flag here for us is going to be designated as a surfing beach. >> reporter: he says not only should beachgoers keep an eye out for the colored flags, they should always listen to authorities. >> if you don't know where to swim, please ask the lifeguards questions. they are trained. they are knowledgeable. they are here to answer your questions. if you know you're not such a good swimmer, then you shouldn't be going out far. >> reporter: my colleague matt gutman braved the rough pacific ocean to demonstrate just how dangerous rip currents can be. >> the waves are crashing over your head. they start to exhaust yourself, and that's when it's harder to stay above water. >> reporter: often they can be deceiving. from an elevated spot in the beach, noaa experts advise looking for this, dark flat

areas where the waves aren't breaking. but they're not always this obvious. so don't just rely on your eyes. >> just talk to the lifeguard and they'll point them out to you. they'll point out all the dangers and where is the safe spot to swim. >> reporter: and if you're caught in one, it's critical to know what to do. so this is a map of rip currents. what does this actually explain to us? >> okay. so basically what it's showing you is a real simple way of how rip currents form. it pulls you away from the shore. and what you want to do in order to escape it, you swim parallel to the shore in order to escape that rip current. if you're ever in a situation where you find yourself in a rip current, you don't fight it. you don't panic. that's a recipe for disaster. >> reporter: what should a regular beachgoer do if they see somebody drowning? should they go in and help? should they alert somebody else? >> the first thing is to alert somebody, call 911. you can't put yourself in harm's way because then we have two people we have to worry about. >> roughly a quarter of all rip current standings are bystanders attempting to make a rip current rescue.

look for something that floats. ideally a boogie board, a surfboard, a cooler, anything and try to throw to it them without entering the water. if you must enter the water, the big thing is don't enter the water without a flotation device. >> reporter: rich baroski is always on watch, and he has one message to beachgoers hoping to make the most of their summer season. what's the one thing you want beachgoers to know this season when they're heading out to the beach? >> first things first, read the signs. be aware. the second thing is everybody has to know their limitations. but knowledge is your best answer for this. educate yourself. and then everything else will take its course. >> our thanks to ike. when we return, "x files" star david duchovny opens up about his new project and the gold that can be found in failure. >> why would i make them so uncomfortable? >> it probably has to do with your reputation. >> reputation? i have a reputation?

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welcome back. david duchovny is a man of many talents, acting, directing, writing, playing guitar and singing. he says failure is what's made some of his successes possible. here is abc rhiannon >> it's so nice to have you on night line. >> thanks for having me. >> i want to go back to the "x files." >> why would i make them so uncomfortable? >> it probably has to do with your reputation. >> reputation? i have a reputation? >> it's been 30 years. the show had a massive following. i mean people still today love

the show. when you look back on your time on the "x files," how do you feel? >> i feel just gratitude for not only for the show and for the people i got to work with, that was one of the first jobs i had as an actor. and i didn't know what i was doing. i'm just lucky that i got to be on a show that kind of expanded like into science fiction, drama, comedy, thriller. i could kind of act in all those tonalities and teach myself how to do what i do. >> did you have any idea that it would still have the following it has? >> no. i mean, it was surprise all along the way. at some point i saw that it was -- that it had staying power, you know, and i've realized over the years that it means a lot to a lot of people, and that's just really gratifying. >> you've said that you felt like you failed as a movie star after that run on the "x files." do you still feel that way? >> i probably -- i could question my choices, you know. but i know where i was coming

from, and i'm doing this podcast fail better, which is kind of about the gold that's in failure. so it would be hypocritical of me to say that i just see it as a failure. if i had just been doing movie after movie on a certain level, i would have never made music, i never would have written novels. i wouldn't have been able to be home as much as i was for my kids. there is all sorts of gold that was in the failure of whatever aspect of my career didn't go as exactly the way i had wanted it to at that point. >> and reverse the curse. obviously, near and dear to your heart, it's based on a novel you wrote. it's based on a die-hard red sox fan whose health actually fluctuates with how the red sox are doing and talking about this, you know, long-standing rivalry with the red sox and the yankees that goes back 100 years. >> yep. >> what inspired this story? >> there was something that happened with my daughter when she was 9 months old. she got very sick.

and then after she was better, i realized there was almost a hesitancy of me to trust she is all better, and there was a hesitancy for me to believe she was going to stay with us. that's the exact relationship between the father and the son in the movie there was a rupture at some point because the child got sick. and there was a rupture in the love between father and son. and how do you heal that. >> we want to take a quick look at a clip from the movie. >> you're watching the game? >> yeah. i got it on. >> here is the yankees short stop. >> bucky denton, automatic out. >> i which they had nine bucky dents. >> i like bucky dent. a good glove. socks are going to blow it like they do every year like since 1918. >> ah, my chest. feels like munson is jumping on it, that fat -- >> what other experiences did you draw on for this relationship? >> nothing specifically autobiographical. but just the sense in which i

think a fathers and children always seem to be missing each other just a little bit. and projecting failures or inadequacies upon each other in many ways. these are two men that are learning how to tell their stories in a way that shows their love rather than their victimhood or their bad feelings towards one another. >> you've done so many complicated roles. "californication". >> he is paying you out of his own pocket. did you know that? >> i haven't seen any money. >> it's tied up with the attorneys. >> perfect. no harm, no foul. then we're even. >> this role, is there a character looking back on your career that you relate to the most? >> no. it's my job to relate the all of them. i don't think you can take a role without figuring out how you're going relate to it. but that's part of the magic trick. i'd be an idiot if i gave it away, you know. i guess i'm from a different

generation that wants to keep the magic, magic and not explain it. so i don't think i have an answer for that. >> you're a podcaster. >> yeah. >> you're a novelist. you've written numerous books, musician, and actor. where do you get your inspiration for all of those? >> your inspiration comes when it comes. you kind of have to remain open to it. in terms of writing music, i won't write a song unless i tell myself i'm going sit down and write a song. it's the same with anything. i'm not going to act unless i go to set. i'm not going to write a book unless i sit down, have an idea and execute that book. it's really i see my job as having the energy and the commitment to see things through. >> thank you so much for being here. >> thank you. >> our thanks to rhiannon. "reverse the curse" is streaming now. when we come back, coldplay invites a hero on stage for a special rendition of "fix you." ♪ go, johnny, go, go, go ♪

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finally tonight, michael j. fox invited on stage at glastonbury to perform with coldplay. joining the band for their two-song encore of "humankind" and "fix you." chris martin tipped his hat to fox's onscreen guitar playing in "back to the future" ♪ go, johnny, go, go, go, go johnny go ♪ >> there might not be a coldplay without fox. >> the main reason why we're in a band is because of watching "back to the future." so thank you to our hero forever and one of the most amazing people around, mr. michael j. fox. thank you so much, michael. a hero. [ cheering ] >> fox later posted to instagram it was mind-blowing. there is a time for every band and a band for every time. this is coldplay's time.