here now, byron pitts. >> most homicides are dark.his one was bizarre. >> what do you do when somebody invades every space of your life? >> reporter: in 2012, dave krupa, a newly single father of two, moved to omaha to start over after separating from his longtime partner, amy. he looked online when he felt ready to start dating again. >> i didn't know how to venture back into the dating pool. >> reporter: the first person he met was shanna elizabeth golier, who goes by liz. she was also a single parent with kids around the same age as dave's. >> liz loved taking selfies and sending them to her friends. >> she was sexy, she was bright and shiny, and she was very engaging. >> reporter: dave says he was up front with liz when they met. he was dating several women and not looking for a commitment. >> i was kind of going wild, just -- you know, being free for the first time in a long time. >> reporter: six months after meeting liz, another single mom walks into the auto repair shop where he worked. 37-year-old carrie farver. >> when we lo

. >> reporter: texas governor greg abbott telling our byron pitts -- >> before we began bussing illegal immigrants up to new york, it was just texas and arizona that bore the brunt of all of the chaos and all the problems that come with it. >> reporter: and while millions of migrants have been expelled using title 42, the rule that lets agents kick out migrants without processing their asylum claims to stop the spread of covid, many of those expelled simply turn around and come right back with little to no consequence. so this group was picked up here instantly. they ran their information. border patrol says they cannot, for whatever reason, request asylum, so they pulled them onto the bridge. they are walking straight over back into mexico. so that is basically title 42 in a nutshell. a vicious cycle, with no viable solution in sight. >> mireya joins us now from eagle pass, texas. and they plan to keep sending these buses to new york and d.c., any other cities? and do the migrants have to get on those buses if they're told? >> reporter: linsey, as of right now, there is no end date in

new york mayor eric adams calling out abbott during a conversation with "nightline's" byron pitts. >> you have a person who's using those who are seeking refuge in this country as almost as political showmanship. he thinks that this is a theatrical performance, it is not. >> reporter: abbott responding, calling it a crisis for nation, not just border states. >> before we begin busing illegal immigrants up to new york, it was just texas and arizona that bore the brunt of all of the chaos and all of the problems that come with it, we need our fellow americans to understand how significant, how prolific the challenge is that we're dealing with. >> reporter: while millions of migrants have been expelled using title 42, the pandemic rule without processing their asylum claims, simply turned around and come right back in. so this group was picked up here, instantly ran their information, border patrol said they can't for whatever reason request asylum, this is the international bridge right outside eagle pass and they got out, right on top of the bridge, and now they're walking straight bac