Show the date of the tallest perpetrator.
SELECT T2.Date FROM people AS T1 JOIN perpetrator AS T2 ON T1.People_ID  =  T2.People_ID ORDER BY T1.Height DESC LIMIT 1
SELECT T2.Date FROM people AS T1 JOIN perpetrator AS T2 ON T1.People_ID  =  T2.People_ID ORDER BY T1.Height DESC LIMIT 1
[{'Date': '05.21 May 21'}]