Get a lysergemide analogue from a reputable chem site. Chems.ca comes to mind as the most trustworthy in the USA.
Technically not illegal as long as you say you weren't going to use it for human consumption. Research only.
Its more expensive than street L but depending on your sources most likely way, way cleaner. Its from a legitimate lab so you know its synthesized correctly.
Don't use darkweb sites of any kind in Texas if you're worried about getting in trouble. Just get the research chems they are cleaner than 100% of anything on a dark web market anyway. And also, technically legal.
I think North Korea does this with less than optimal results.