After Alexis Martinez was killed by Keto, both SeaWorld/Loro Parque and the Canary Islands OSHA equivalent launched investigations into the incident. These reports are the most detailed and revealing accounts of exactly what happened between Keto and Alexis Martinez (and you can read my reporting and analysis of what they mean in my story about Alexis’ death).
Here is the SeaWorld/Loro Parque corporate incident report:
Here is the Canary Islands Dept. Of Labor Report (Spanish):
The Earthist Chronicles 