. >> reporter: from her home in california lisa foster runs one bag at a time. a small business making bags for retailers. she relies on shipments from her supplier in china. >> the port in los angeles is a crucial link in the supply chain for me. >> reporter: normally foster gets a shipment in two weeks, and it takes four days to get the bags from the harbour to the warehouse. >> when i'm delayed for seven weeks at the port it affects every part of my business - my customers, for sure who are missing retail opportunities like christmas, earth day is coming up in april, and i cannot promise anyone a green bag for earth day. that's a big problem. it's nigh christmas. >> with another planned 4-day shutdown at the port of los angeles, fostering likelihood and hundreds of others stuck at sea, because cargo unloading and loading all but stopped as a result of a labour dispute. the pma called for the shut down accusing the workers, represented by the long shaw and warehouse union of intentionally slowing down cargo, loading and unloading operations. >> we took an acti

. >> lisa foster makes environmentally friendly bags and is facing a similar predicament with earth day approaching. >> i've had delays up to seven weeks and when that happens to me that delays my paycheck, means my, the money i is invested. >> 13 ships are berthed but cargo isn't moving vft. you can see how long the lines are for container trucks. this tracking site shows four ships are waiting for berths in san francisco bay. truckers are frustrated. most get paid per container moved. >> they can put everybody back to work and would be under supervision. >> they can only get 5 to 7 containers out, now we're happy to get three. it's hard. >> union management say they're getting adecisional pressure from national retail federation saying they won a contract done by the end of the day and that they can't afford to have delays through the port. >> the sale of six catholic hospitals is closer to reality tonight. hurdles do remain the state attorney general approved $843 million sale of the daughters of charity hospitals to time health care. she says prime must agree to keep hospitals open

. >> lisa foster makes environmentally friendly bags and is facing a similar predicament with earth day approaching. >> i've had delays up to seven weeks and when that happens to me that delays my paycheck, means my, the money i is invested. >> 13 ships are berthed but cargo isn't moving vft. you can see how long the lines are for container trucks. this tracking site shows four ships are waiting for berths in san francisco bay. truckers are frustrated. most get paid per container moved. >> they can put everybody back to work and would be under supervision. >> they can only get 5 to 7 containers out, now we're happy to get three. it's hard. >> union management say they're getting adecisional pressure from national retail federation saying they won a contract done by the end of the day and that they can't afford to have delays through the port. >> the sale of six catholic hospitals is closer to reality tonight. hurdles do remain the state attorney general approved $843 million sale of the daughters of charity hospitals to time health care. she says prime must agree to keep hospitals open

her friend carrie ward also worked with lisa. >> she took in foster kids while she was a single parent and was raising her own daughter by herself. >> reporter: that feels sort of like going the extra mile and then some. >> she did. she was always there to help anybody that needed it. >> reporter: admirable. >> yes, very much so. >> reporter: one year after kevin and lisa met they married. >> the wedding itself, i mean, was fabulous. the reception was great. >> reporter: did you think this marriage was going to be it for kevin? >> oh, absolutely. absolutely, there was no question in my mind. >> reporter: a year and a half later, lisa and kevin announced the arrival of a baby of their own, hailey. lisa was on top of the world. >> megan she loved like crazy, of course, but she really wanted another child. >> reporter: but lisa felt she had more to give. two years after hailey's birth, she decided to invite sixteen-year-old foster child, sabrina zunich, into her home and to make sabrina part of the family. >> i met sabrina almost immediately when she came to the house. i remember her sayi

lisa and kevin -- they married, blending their lives and children. >> it was one big happy family over there. >> with enough love to welcome a foster daughter with asabrina. >> when she was told about being placed with the knoefels, she was ecstatic. a happy home until it was ripped apart in a single night. >> oh, my god! my mom's going to die! >> reporter: lisa -- stabbed. >> the blade was actually bent. it takes a lot to bend a knife blade. >> reporter: the killer -- none other than sabrina. >> i couldn't believe it. >> reporter: a loving mom, murdered by the foster daughter she'd opened her home to. what no one could understand, was why? >> something else had to have been at play here. >> reporter: indeed, this case was about to get a lot more complicated. stories of a diabolical plot, brewing behind closed doors. >> this is really just betrayal on top of betrayal on top of betrayal, isn't it? >> reporter: and an obsession that would not be denied. >> it was like, "i want this, so this is how i'm going to get it." >> reporter: i'm lester holt and this is "dateline." here's josh mankiewicz with "deadly betrayal." >> reporter: there comes a time

foster sharing of terrorism related intelligence. white house cybersecurity and counterterror and terrorism adviser lisa monaco discussed the agency at the woodrow wilson center in washington d.c.. this is an hour. >> good afternoon. we have an overflow audience inside this >> afternoon. we have the overflow audience and obviously a lot of cameras are being this event to places far and wide with the overflow room as well and the wilson center is true the honor to host this yvette. welcoming our nearest and dearest supporters. i am jane harman president and ceo of the wilson center. 58 years ago a disgruntled austrian contractor packed a sewage control system in queensland sold millions of gallons of waste with to public land and public waters. all the ticket was a laptop and radio today infrastructure is increasingly networked with rail switches and water mains and power grids in american lives are more vulnerable than ever to additional disruption. the black market has flourished you can get zero days for a song for the would-be cyberterrorist it is not resources but creativity. craft a secure internet in cyberspace is a huge leader

foster sharing of terrorism related intelligence. white house cybersecurity and counterterror and terrorism adviser lisa monaco discussed the agency at the woodrow wilson center in washington d.c.. this is an hour. >> good afternoon. we have an overflow audience inside this room. obviously lots of cameras beaming this offense to places far and wide and we have an overflow room as well because the wilson center is truly honored to host this event. i am welcoming some of our nearest and dearest supporters pretty thank representative jim himes of connecticut will be here or is here. i am jane harman the president and ceo of the wilson center. 15 years ago a disgruntled australian contractor hacked a sewage control system in queensland spilling millions of gallons of waste onto public lands it into public waters. all it took him then was a laptop and the a radio. today our infrastructure is increasingly networked rail switches water mains power grids. americans lives are more vulnerable than ever to digital disruption. the hacker black market has flourished. you can buy zero days for a song song. a would be cyberterrorist who aren't limi

foster sharing of terrorism related intelligence. white house cybersecurity and counterterror and terrorism adviser lisa monaco discussed the agency at the woodrow wilson center in washington d.c.. this is an hour. >> good afternoon. we have an overflow audience inside this room. obviously lots of cameras