MS From US, Two Internships in national labs, publications, no interview

I got an Admission offer. No Funding yet. No interview.

Have had interview and then rejected

1 publication at mid-tier journal first author, 2 other not first others. 4 Publications on less known venues. Good letters of recommendation from great researchers not from USA.

ML Theory & Optimization Track. 1 IEEE Conference First Author Publication. TOEFL 107. No Interview. Rejection email received.

I was a visiting student in UChicago last year. I had one 1st author paper in submission. I thought my PI and my colleagues liked me and were willing to have me back. But unfortunately I got rejected. I am hurted deeply.

One interview