There are also instances when hate crimes are recategorized as "drug related" if the police choose to ignore the predjudice or hate aspect which may be dismissed as unimportant if it is not blatantly obvious. This is another problem when people depend on government controlled police state for justice.
If the transgender person had aquiantance with the person who enacted violence upon them, it is also more likely that law enforcement will classify as drug related, that way there is less public reaction as drug related violence is easier for most members of the public to ignore..