in helzer, there was no such testimony. and this officer, like the officer here, didn't keep field performance records when the dog alerted and no drugs were found. in helzer, the court found that there was insufficient evidence of reliability. and i believe that those two cases demonstrate what is a -- what is a correct line to draw in navigating what is reliable. on several arguments made by the state, the argument was that the maintenance training included blanks, and that the dog did not alert to blanks. the record, we believe, supports the florida supreme court's conclusion that blanks were tested -- the dog was tested on blanks, but there was no testimony as to whether the dog didn't alert on those blanks. the state has said that the dog was subsequently recertified. i don't find support in the record for that. at a suppression hearing, the state argued -- the officer testified that the dog was scheduled for another certification, but we don't know whether the dog was ever recertified. the court can affirm the florida