robert trenschel is the present seal of the yuma, arizona, medical research. he brings health-care expense and medical management experience and currently overseas the hospitals, the hospital overflow created by the flow of illegal migration. doctor david bier, mi pronouncing it incorrectly? like the beverage. cool. he is the associate director of immigration studies at the cato institute focusing on border security and immigration. i think all the the witnessr being here today and i now recognize ms. kiessling for five minutes to summarize her opening statement. >> chairman green, ranking member thompson -- pardon me? chairman green, ranking member thompson and distinguished members of the committee, i rebecca kiessling. i'm a mother. i a mother to caleb and tyler as well as three teenage daughters. our family has been through a lot. i lost my two sons. caleb was age 20 and tyler was 18 on july 20 that the 2020. it was absolutely perfect storm. there were, , there was also a 17-year-old girl, sophia harris, who died along with them. the drug dealer, lorenzo,