The Fifth Circuit has determined that a Louisiana conviction for accessory after the fact is not an obstruction of justice aggravated felony because the state offense is a general intent crime, while the generic definition of obstruction of justice requires a specific intent to interfere with the process of justice.
The full text of Lopez Orellano v. Garland can be found here:
https://www.ca5.uscourts.gov/opinions/pub/23/23-60248-CV0.pdf