In 2009, SOA blog verified there was no traditional EDR/CDR in Subarus. Sad to see one in the BRZ, but it looks like they're just preparing for government regulation

But of course it may be stored in OBD/CAN/SSM somewhere.
Post the data sheet, and ask to see the data read out using the scantool. To be admissible in a court it must be read by a third party.