this is "nightline." tonight, mom on the run no more. the long arm of the law bringing the mother of two missing children back home to face trial, extradited from hawaii to idaho. by her side, her doomsday novelist husband, now new mera.des of theaptud on how ais t nationa pk could p be a break in the case. plus, concern coast-to-coast. the quarantined ship carrying thousands of americans. dozens taken from one hotel right to the hospital. and trapped in the epicenter of the coronavirus in america. heartbreak. >> she said your mother's doing fine. that he doesn't havetemperature. i said that's [ bleep ].

my mom died at 3:30 this morning. >> fear, anxiety, and the real risk. "nightline" will be right back.

good evening. thanks so much for joining us. flown home and facing charges. the mom whose two children are

still nowhere to be found now appearing before a judge in idaho, as authorities release new clues to the public in hopes more eyes can help find the kids missing now for months. marcus moore reports. >> reporter: lori vallow daybell, smiling at times as she faces charges in the disappearance of her kids. >> ms. daybell, do you understand what count one alleges as well as the maximum penalties? >> yes. >> reporter: as her husband chad watched from the front row, the judge read the charges, felony counts of desertion. the case has been on the national spotlight for months. >> the urgent search for those missing idaho siblings. >> lori vallow and chad skipped down.

>> reporter: their whereabouts still eluding authorities. these photos were released on september 8th, asking the public to pronyddional imag. last month, lori was arrested in connection with their disappearance. the arrest came after nearly three months of an investigation that has stretched from idaho to arizona to hawaii. >> can you tell me where your kids are? would you tell me what happened to jj? >> reporter: the arrest marks the first big moment for law enforcement. it has placed the couple at the center of the disappearance of the kids. >> going after lori vallow might be strategic in terms that she is the biological parent in this situation and not the stepfather. that might be a choice of going after the bigger fish rather than the smaller fish. or it might be that charges are coming for chad shortly. >> reporter: as authorities

chase leads to bring them closer to the children, new details have emerged about their mom. >> lori. >> reporter: here is a young vallow then known as lori ryann trying to betexas. at the time, she was married to joseph ryan, tylee's dad. the two would divorce and lori would go on to marry charles vallow. >> did you love lori? >> oh, yes. she was very energetic. now i think it's all a facade. >> reporter: kay is charles vallow's sister. she and her husband recently chatted with amy robach. she said lori and charles had a good marriage for years until things began to fray last year. charles cites concerns about lori's religious beliefs saying she is infatuated and obsessive about near death experiences and spiritual visions.

she told him she could not trust vallow and that she would not only kill him but destroy him financially. things turned tragic. >> we've got one apparent gunshot wound to the chest. >> i shot my brother-in-law. >> reporter: that's lori's brother alex cox, captured on police body cameras after shooting and killing his estranged brother-in-law charles vallow. kay believes her brother was ambushed. >> reporter: did charles ever tell you he was afraid of lori? >> yes. oh, absolutely. >> reporter: the loss of her brother was compounded by the fact that he and lori were also the guardians of kay's grandson, jj. >> jj's my biological grandson via my son. and charles is my brother. so charles and lori adopted jj, and at that point they let us maintain a grand parent's role., communication with jj became

sparse. >> she never would respond to anything, texts, e-mails nothing. >> reporter: she moved to orll captured what is thought to be the last known image of jj playing outside with a friend she has been unable to face time with jj since augus w in november. when police went to lori's home they discovered not only was jj missing but so was tylee. authorities allege chad and lori told a series of lies. chad acted though he didn't know lori well. he didn't know her phone number according to the affidavit. lori's brother said jj was with his grandma kay. a lie since kay first called in the missing child report. >> the number of steps that they took not only to try to find

these children but to establish the chain of lies that they had to overcome that inhibited their investigation. >> reporter: in november, chad and lori got married in a beach in hawaii. evidence that has been accumulated. but neither jjlee re we're waiting for results to come back. there for the celebration. >> reporter: my peculiar straws their wedding two weeks after story eyebrow because chad's former wife tammy had the circumstances of being ques. died. authorities had exhumed>>re pro >> reporter: after being questioned by authorities, lori and chad left idaho for hawaii where we tracked him down last week. i just want to ask you, are the kids okay? can you tell me? >> i just can't comment. >> reporter: and why can't you, why can't you comment? >> legal reasons. >> reporter: he later told an abc news producer, quiote, the kids are safe butered no other details. his neighbor said he told her the same story. >> i said are your kids okay?

he said yes. i said is lori okay? he said yes. >> reporter: last weekend chad was seen here leaving kauai and has not been arrested or charged with any crimes and arrived in idaho saturday. then this week lori was extradited to idaho. >> we'll see how when i see her. i have no idea. i don't know if i'll feel anger or anything. >> reporter: the hearingor wood to be in the same room as vallow in more than a year. she and her husband seated in the front row. the judge requiring her to remain bars or stay within four area counties and wear an ankle monitor if she made bail. the couples' attorney issuing a statement, saying chad daybell is a loving husband and has the support of his children. lori vallow is a loving mother and resents assertions to the contrary. we look forward to addressing the allegations once they have moved beyond speculation and

rumor. i'm marcus moore in dallas. ochb up next, what you need to know about the deadly virus sweeping the globe and spreading in the u.s. breast cancer on my birthday. i thought, i'm not letting anything take me away from my family that loves me and needs me without a fight. when i came to cancer treatment centers of america, they said we're going to do everything we can. i just felt confident, they are behind me. i had six, seven doctors that worked together e t streatingke me the cancer, they're treating me as a whole person. they have naturopathic support, occupational therapy, nutritionists, i took advantage of all of that. and that's why i think i am where i am today

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being flown by chopper to the "grand princess" cruise ship after reports of a suspected outbreak of covid-19. >> i was worried, mainly because my parents are elderly, and my mom has asma. so i'm very worried if she would get ill what would happen. >> reporter: debbie and her parents are among the passengers circling off san francisco, not allowed to disembark. just hours ago, vice president mike pence gave the results. >> 21 individuals on the "grand princess" tested positive. among those, 19 crew members. and two passengers. >> right now, it's just numbing, just trying to process this information and see what our life holds in the next couple weeks. >> reporter: passengers now confined to their rooms. >> all passengers and crew will be tested for the coronavirus. those that need to be quarantined will be quarantined. those that require additional

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>> reporter: most of the cases in new york state are linked to a west chester lawyer. about 4,000 people are now under quarantine in new york state. the epidemic started in china in wuhan. that city has now been on lockdown four two months. its 11 million inhabitants mostly out of sight. streets deserted. public transportation almost nonexistent. but there is encouraging news. new infections in china seem to be slowing down. but around the world, the virus is spreading rapidly. >> we are now on the verge of reaching 100,000 confirmed cases. >> reporter: the visual impact is dramatic. iconic sites around the globe now empty. this is mecca in saudi arabia before and now. to the spanish steps in rome normally crowded with tourists, now empty. and beijing's forbidden city

once packed now seemingly desolate. the rapid spread of the virus also impacting the global economy. from toys to clothing to gardening supplies. companies across the country rely on chinese factories now shut todown by the outbreak. >> about 85% of our products have something in them from china. >> the great majority of goods in bridal are manufactured in china. things are taking longer than ever. >> it is what i call an economic pandemic, and that is it's global in scope, and our efforts to contain the virus and stop the spread of it means shutting down factories. shutting down schools. >> reporter: the consequences have been devastating, especially for travel. the airlines anticipating losses of $113 billion in sales as travel and hotel bookings plunge. uncertain times are driving some to extreme measures. austin based mira safety says

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no, you are not seeing double. it was dress as your favorite person day. and for easton it was easy. and that is "nightline." you can always catch our full episodes on hulu. thanks so much for watching, have a great weekend and a goodnight.