journey to the u.s. border. >> ( translated ): three years ago i left haiti, i sold my lands to go to chile. in chile, biden said we could enter so we entered. >> reporter: rumors of asylum in the u.s. were not true. the migrants crossed the river to the mexican side for food to bring back to the camp site. but with officials here in mexico also limiting their movements, they're essentially stuck with their greatest fear, deportation, quickly becoming a reality. norah. >> o'donnell: really interesting to hear why they say they've made the journey, manny bojorquez, thank you. and now to the pandemic and the battle over a life-saving covid treatment, monoclonal antibodies. that's what then president trump was given when he had covid, but there is now a bitter fight in tennessee over who gets that treatment. and there's also big news tonight for the nearly 15 million americans who got the johnson & johnson shot. here's cbs' mark strassmann. >> reporter: johnson & johnson's