Andy Ngo is not a credible source of news about trans people. Media Matters describes him as a “right wing troll” who spread misinformation about this issue [1] and The Advocate points out that right wing media have repeatedly ignored the facts around supposed trans shooters and continued to spread misinformation on the subject. [2]
[1] https://www.mediamatters.org/diversity-discrimination/apalac...
[2] https://www.advocate.com/news/apalachee-school-shooter-trans...