RMAN not deleting backups on disk, but deleting more than specified inside RMAN

I have an issue where I have RMAN set to remove backups after 90 days.  When I check the backup directory, there are backups dating back to last year.  When I check RMAN, it only shows backups back to the middle of March this year.   I am not using an RMAN catalog, I am using the control files.

Below is my rman run statement:

run
{
allocate channel d1 type disk format '/opt/oracle/backups/rman/test2/backups/test2_full_backup_%t_%s_%p';
crosscheck backup;
BACKUP as compressed backupset incremental level 0 tag DBINCR0 database FILESPERSET 4;
sql 'alter system switch logfile';