over the lasyear. what is going on? nbc news is learning new details of the final moment of that helicopter before it crashed at the top of the new york city skyscraper. what happened to the pilot? present trump and joe biden, face off. holding events in iowa. could falling asleep with the tv on make you gain weight? a wake up call from doctors about that.re what ahose devices in bed could be doing to your waistline? this is nbc "nightly news" with lester holt. the pain and emotions of 9/11 poured out in a congressional aring today. a cancer stricken responder keeping the compensation fund of 9/11 alive. workers sicken from their ground zero exposures. standing with ctims today, comedian john stewart who te blasd congress. nbc's blayne alexander reports. >> reporter: family members and first responders and fighting alongside them, john stewart. >> they responded in five seconds. they did their jobs.e couragd grace and tenacity, humility. h ears later, do yours! >> reporter: the p extend the victims' compensation fund created to help those suffering from 9/11 related illnesses and their family. the fund is running out of mone$ paying out5 billion with 21,000 claims still outstanding. i was compensated but others are sick and dying from eir exposure will not be complicated. >> reporter: lewislvarez was there. his cancer has spread throughout his body. he's fighting for those still waiting for help. >> you made me come down here the day before my 69th round of chemo. i am going to make sure and i will never forget to take care of the 9/11 first responders. >> reporter: stewart pointing to dozens of empty chairs. accusing lawmakers ot making this a priority. >> your indifference caused these men and women their most valuable commodity. >> time. >> blayne is with us right now. a lot of emotions in that room today. can you tell us wln there wil be movement? >> lester, lawmakers are hoping to advance this out of the committee sometimes tomorrow. if it passes, it would fund payments until the year 2090. one other thing of all the empty chairs today, that room was set up for a full committee which was why there were so many empty seats. thank you. david ortiz's condition is recovering after a second surgery in boston after that brazen attack in the dominican republic, we learned two more american deaths on the island, raising more questions about health and safety there. we are in the dominican republic, first to nbc's ron mott in boston. >> reporter: david ortiz is back in his adopted homown after being shot in the dominican republic. the former red sox star recovering and even taking a few steps. his wife says he's awake and resting comfortably. 14-year-old son deangelo is also rooting for his dad. "i love you pops." >> one person was taken into custody at the scene while authorities search for another to determine to find those responsible and put them at thei mercy of jusce. >> questions of why abound?y big poppnored at the fenway park lasnight by the city that considers him family. >> a lot of people behind him wishing him well. >> reporter: ron mott, nbc news, boston. this is morganhesky tonight theris a growing stery contrasting a shadow over the island pristine beauty. six americans have died at four hotels across the dominican republic. three in the last month alone. >> when you vacation as a family, you want to come home as a family. >> reporter: after hearing of the recent deaths on the island, began to wonder. >> something is not right in the dominican republic as all these people are dying. >> reporter: concerns and tourism on the island is taking a hit. flights are dropped by more akan 12% on kayom last week. for those who are there. >> i feel completely safe here.e >> rr: totally. >> you have a little bit of iffyness in the back of your mind but that's anywhere. >> reporter: hotels involved say their thoughts are with the family and monitoring the facts as it unfolds. the american victims whose deaths have not been connected. >> reporter: travel advisory back in april does remain in effect if you come here, don't go out alone.. if you have medical concerns consult a doctor. >> morgan chesky, thank you. here in new york, the pilot was killed and now investigators are looking whether ecame disoriented. our tom costello is at the scene. >> reporter: investigators a popular banking service, so many use it to transfer money fast. vickie nguyen on how to protect your money. >> reporter: if you have mobile banking, odds are you have zelle. a program built into many of the most popular banki apps. >> zelle is an easy way to send and receive money to friends and family. >> reporter: all you need is someone's e-mail address or phone number. st press "send," the cash is transferred. this happens in minutes and not days. >> reporter: nbc news found people across the country who ays hackers used zellto drain money from theirounts. i had $3,000 pulled out of my account. >> i had $4,0. >> $6,400. >> we lost $1,500 totaled. >> reporter: thieves called from an 800 number and tricked her to share personal bank information. >> they wanted me to verify my identity through a text code and that six numbers was what they needed to access my account. >> reporter: bob sullivan says what makes zelle so fast and convenient is so alluring to criminals. >> the quicker the transaction is, the quicker scammers can steal. >> reporter: zelle says they and their banking partners apply layer of protection and authentication and send limits and realtime fraud alerts. with all digital payment technologies that provide consumers with greater transactions.ra h says she had to push to get her money back. >> it is really important for everyone to know they're vulnerable. >> we welcome vickie now. how do you make sure it does not happen to you? >> remember banks will never call you to ask r any personal information like a password or a text code. never give it out to anyone.th e other thing is set up those alerts on your phone so that any timeoney is moved from your account, you will get a notification. >> thank you very much. >> coming up, the bedtime habit that may be causing you to add on a few pounds. limu's right. liberty mutual can save you money by customizing your car insurance, so you only pay for what you need. oh... yeah, i've been a customer for yea. huh... only pay for what you need. ♪ liberty. liberty. liberty. liberty. ♪ and i recently had hi, ia heart attack. it changed my life.m but i'survivor. after my heart attack, my doctor prescriitd brilinta. 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