From left: Kate Bagby, director Kurt Kuenne and David Bagby at the Slamdance Film Festival in January 2008.
David & Kate Bagby with filmmaker Kurt Kuenne at a book signing for ''Dance with the Devil'' at Dolly's Bookstore in Park City, Utah during the 2008 Slamdance Film Festival.
A line stretches down the block to get into the Bloor Theatre for the Canadian premiere of ''Dear Zachary'' at the Hot Docs Film Festival in Toronto. April 2008.
A line stretches around the corner to get into the Bloor Theatre for the Canadian premiere of ''Dear Zachary'' at the Hot Docs Film Festival in Toronto. April 2008.
A crowd packs into the Bloor Theatre for the Canadian premiere of ''Dear Zachary'' at the Hot Docs Film Festival in Toronto. April 2008.
A crowd packs into the Bloor Theatre for the Canadian premiere of ''Dear Zachary'' at the Hot Docs Film Festival in Toronto. April 2008.
The AFI Silverdocs Documentary Film Festival takes place at the AFI Silver Theatre in Silver Spring, MD. ''Dear Zachary'' was nominated for the WGA Documentary Screenplay Award at the festival. June 2008.
Kate and David Bagby are interviewed at the AFI Silverdocs Documentary Film Festival. June 2008.
The crowd files in for the first screening of ''Dear Zachary'' at the AFI Silverdocs Documentary Film Festival. June 2008.
The audience gives ''Dear Zachary'' a standing ovation following its second screening at the AFI Silverdocs Documentary Film Festival. June 2008.
''Dear Zachary'' plays at Arclight Hollywood as part of the International Documentary Association's Docuweek series. August 2008.
David & Kate Bagby with filmmaker Kurt Kuenne at Docuweek, the International Documentary Association's Oscar-qualifying showcase. August 2008.
David Bagby (center) answers a question as filmmaker Kurt Kuenne (left) and Kate Bagby (right, seated) look on after a screening of ''Dear Zachary'' at Arclight Hollywood as part of IDA's Docuweek. August 2008.
''Dear Zachary'' screens at the Calgary International Film Festival. September 2008.
A long line snakes around the corner at the Calgary International Film Festival to get into the first screening of ''Dear Zachary''. September 2008.
A long line stretches down the hall at the Calgary International Film Festival to get into the first screening of ''Dear Zachary''. September 2008.
Calgary International Film Festival audiences give ''Dear Zachary'' a standing ovation. September 2008.
Gen Art hosts a preview screening of ''Dear Zachary'' in New York City mere days before it opens theatrically. October 2008.
Gen Art's Aaron Levine and filmmaker Kurt Kuenne pose following a preview screening of ''Dear Zachary''.
From left: Distribution advisor Josh Braun of Submarine Entertainment, Elise Warner of MSNBC, filmmaker Kurt Kuenne and Scott Hooker of MSNBC attend a reception following Oscilloscope's premiere screening of ''Dear Zachary'' in New York City. October 2008.
A packed house at the Directors Guild of America in New York City watches ''Dear Zachary'' mere days before it opens commercially. October 2008.
Kurt Kuenne's view from the stage of the NYC Directors Guild theatre during the post-screening Q&A for ''Dear Zachary''. October 2008.
''Dear Zachary'' opened theatrically on October 31, 2008 at the Cinema Village in New York City.
''Dear Zachary'' opened theatrically on October 31, 2008 at the Cinema Village in New York City.
Rave reviews for ''Dear Zachary'' adorn the window of the Cinema Village in New York City on October 31, 2008.
New York City newspaper ads for ''Dear Zachary'' on opening day -- October 31, 2008.
''Dear Zachary'' opened in Los Angeles on November 7, 2008 at the Laemmle's Sunset 5.
''Dear Zachary'' opened in Los Angeles on November 7, 2008 at the Laemmle's Sunset 5.
A Los Angeles newspaper ad for ''Dear Zachary'' on November 7, 2008.
''Dear Zachary'' also played the Laemmle's Music Hall in Beverly Hills in November 2008.
Film critic Leonard Maltin (standing) speaks to a theatre full of students at the USC School of Cinematic Arts before screening ''Dear Zachary'' for them. November 2008.
Filmmaker Kurt Kuenne and professor Leonard Maltin after the Cinema 466 screening of ''Dear Zachary'' at the USC School of Cinematic Arts. November 2008.
''Dear Zachary'' plays at Camera 3 in downtown San Jose, Kurt Kuenne's hometown. December 2008.
Filmmaker Kurt Kuenne (left) is interviewed by journalist Keith Morrison for an NBC Dateline piece about ''Dear Zachary'' and the case. February 2009.
Personalized letters go out to all 413 Members of Canada's Parliament requesting the opportunity to screen ''Dear Zachary'' for them in Ottawa.
Arrival in Ottawa to screen ''Dear Zachary'' for Members of Canadian Parliament. March 2009.
Parliament Hill in Ottawa, Ontario. A few hours after this photo was taken, ''Dear Zachary'' would screen for Members of Canadian Parliament for the first time. March 11, 2009.
Various Members of Parliament enjoy hors d'oeuvres at Empire Theatres in Ottawa before the screening of ''Dear Zachary'' begins on March 11, 2009.
From left: MP Scott Andrews, Senator Tommy Banks and David Bagby talk after the Ottawa screening of ''Dear Zachary'', making plans for the creation of Bill C-464 to amend the Canadian Bail Code on March 11, 2009.
An NBC Dateline crew photographs (from left) David Bagby, MP Scott Andrews and Senator Tommy Banks as they make plans for the creation of Bill C-464 following a screening of ''Dear Zachary'' in Ottawa on March 11, 2009.
The Hill Times (Canadian Parliament's primary newspaper) covers the March 11, 2009 Ottawa screening of ''Dear Zachary'' for Members of Parliament.
413 DVDs of ''Dear Zachary'' await packing and shipment to Ottawa so that the Members of Parliament who missed the March 11, 2009 screening can see it.
''Dear Zachary'' wins the Sigma Delta Chi Award for Best Documentary of the year from the Society of Professional Journalists. Elise Warner of MSNBC and filmmaker Kurt Kuenne pose following the ceremony. August 2009.
The Society of Professional Journalists gave ''Dear Zachary'' their Sigma Delta Chi Award for Best Documentary. August 2009.
Filmmaker Kurt Kuenne, journalist Bob Dotson and Scott Hooker of MSNBC pose after ''Dear Zachary'' was awarded the CINE Masters Series Award at the Embassy of France in Washington, D.C. June 2010.
On December 15, 2010, Bill C-464 (affectionately known as ''Zachary's Bill'') became law in Canada, amending the Canadian Bail Code.