Person evidence · E-V99-010
Riordan observed a dark balloon-like object near the UT research farm
DocumentedFirsthandThe record itself is established; from direct involvement (claimed or documented). 1950-10-20 · Security official report
Why this grade
DocumentedFirsthand From the Evidence Log's Assessment ("Documented report; balloon check outstanding"), and Firsthand? ("Yes"). Grade rules.
Record
From the workbook: the Evidence Log sheet.