Story: "The Janus Directive, Part 3: Shadow Knights" (24 Pages)

Credits:

Paul Kupperberg (plot, script)
Rick Hoberg (pencils)
Al Vey (inks)
Gaspar Saladino (letters)
Julianna Ferriter (colors)
Jonathan Peterson (edits)

Feature Characters:

Harry Stein
Harvey Bullock (both in between Suicide Squad Vol. 1 #27 and #28)
Checkmate Knight John Reed (last in Suicide Squad Vol. 1 #27)
Black Thorn (last in issue #14; next in Suicide Squad Vol. 1 #28)
Checkmate Knight Gary Washington

Guest Stars:

Wade Eiling (last in flashback in Suicide Squad Vol. 1 #27; also in flashback preceding flashback in Suicide Squad Vol. 1 #27)
Amanda Waller
Peacemaker (all three in between Suicide Squad Vol. 1 #27 and #28)
Bronze Tiger
Captain Boomerang (both in between Suicide Squad Vol. 1 #27 and #29)
Major Force (last in ???; next in Suicide Squad Vol. 1 #28)

Supporting Characters:

Bridgette D'Arbo (in between Suicide Squad Vol. 1 #27 and #28)
Valentina Vostok (next in Suicide Squad Vol. 1 #28)
B.J.

Guest Apperances:

Murph (last in Justice League America #27; next in Suicide Squad Vol. 1 #28)
Lois Lane (last in ???; next in Suicide Squad Vol. 1 #28)
Doctor Heinrich Megala (also in flashback following Captain Atom #29 and preceding main story; in flashback in Suicide Squad Vol. 1 #27 in between panels of flashback)
Babylon (in flashback in between Invasion! #3 and Suicide Squad Vol. 1 #27)

Other Characters:

Col. Clarkson (first appearance)
Dave (first appearance; a guard at Belle Reve)