Depends how it got deleted ie whether it was a user of a program.
If it was a user then with full auditing turned on you could check.
[#][/audit]> auditpr -h e,l,r,t,R,c < trail|more
event login real time status command
------------------------------------------------------------------------------
FS_Chdir root root Tue Oct 05 12:58:26 2004 OK ksh
FILE_Unlink root root Tue Oct 05 12:59:03 2004 OK vi
FILE_Unlink root root Tue Oct 05 12:59:12 2004 OK vi
FS_Chdir root root Tue Oct 05 12:59:34 2004 OK ksh