<page_title> List of The FBI Files episodes </page_title> <section_title> Season 2 (1999–2000) </section_title> <table> <cell> ".22 Caliber Killer" <col_header> Title </col_header> <row_header> 18 (31) </row_header> </cell> <cell> May 30, 2000 <col_header> Original Airdate </col_header> <row_header> 18 (31) </row_header> </cell> <cell> The Joseph Christopher (aka The .22 Caliber Killer) investigation. <col_header> # </col_header> <col_header> Title </col_header> <col_header> Director(s) </col_header> <col_header> Writer(s) </col_header> <col_header> Original Airdate </col_header> <col_header> Production Code </col_header> <col_header> 1 (14) </col_header> <col_header> 2 (15) </col_header> <col_header> 3 (16) </col_header> <col_header> 4 (17) </col_header> <col_header> 5 (18) </col_header> <col_header> 6 (19) </col_header> <col_header> 7 (20) </col_header> <col_header> 8 (21) </col_header> <col_header> 9 (22) </col_header> <col_header> 10 (23) </col_header> <col_header> 11 (24) </col_header> <col_header> 12 (25) </col_header> <col_header> 13 (26) </col_header> <col_header> 14 (27) </col_header> <col_header> 15 (28) </col_header> <col_header> 16 (29) </col_header> <col_header> 17 (30) </col_header> <col_header> 18 (31) </col_header> </cell> </table>
The FBI Files aired Joseph Christopher investigation in May 2000 titled the, ".22 Caliber Killer".