glaring one. Families were being split up immediately at the boarder after Sessions rolled out the zero tolerance policy back in May. This is a policy that was driven by Trump, and did not occur under Obama or Bush.
I'm sure you appreciate Snopes as a source to prove claims fact or fiction. So please give this a read and educate yourself.
https://www.snopes.com/fact-check/was-law-separate-families-passed-1997/