Person Of Interest Sneak Peek: Reese Gets A Blast From His Dark Past

"Matsya Nyaya" — The Machine's latest mark puts Reese (Jim Caviezel, left) undercover as part of an armored truck crew, a case that brings back memories of his last C.I.A. mission, and painful decisions he was forced to make, on PERSON OF INTEREST, Thursday, April 26 (9:00 – 10:00 PM, ET/PT) on the CBS Television Network. Also pictured: Annie Parisse, right. Photo: John P. Filo/CBS ÃÂ'Ã'©2012 CBS Broadcasting Inc. All Rights Reserved.

"Matsya Nyaya" — The Machine's latest mark puts Reese (Jim Caviezel, right) undercover as part of an armored truck crew, a case that brings back memories of his last C.I.A. mission, and painful decisions he was forced to make, on PERSON OF INTEREST, Thursday, April 26 (9:00 – 10:00 PM, ET/PT) on the CBS Television Network. Also pictured: Annie Parisse, left. Photo: John P. Filo/CBS ÃÂ'Ã'©2012 CBS Broadcasting Inc. All Rights Reserved.

"Matsya Nyaya" — The Machine's latest mark puts Reese (Jim Caviezel, left) undercover as part of an armored truck crew, a case that brings back memories of his last C.I.A. mission, and painful decisions he was forced to make, on PERSON OF INTEREST, Thursday, April 26 (9:00 – 10:00 PM, ET/PT) on the CBS Television Network. Also pictured: Annie Parisse, right. Photo: John P. Filo/CBS ÃÂ'Ã'©2012 CBS Broadcasting Inc. All Rights Reserved.

"Matsya Nyaya" — The Machine's latest mark puts Reese (Jim Caviezel) undercover as part of an armored truck crew, a case that brings back memories of his last C.I.A. mission, and painful decisions he was forced to make, on PERSON OF INTEREST, Thursday, April 26 (9:00 – 10:00 PM, ET/PT) on the CBS Television Network. Photo: John P. Filo/CBS ÃÂ'Ã'©2012 CBS Broadcasting Inc. All Rights Reserved.

"Matsya Nyaya" — The Machine's latest mark puts Reese (Jim Caviezel) undercover as part of an armored truck crew, a case that brings back memories of his last C.I.A. mission, and painful decisions he was forced to make, on PERSON OF INTEREST, Thursday, April 26 (9:00 – 10:00 PM, ET/PT) on the CBS Television Network. Photo: John P. Filo/CBS ÃÂ'Ã'©2012 CBS Broadcasting Inc. All Rights Reserved.

"Matsya Nyaya" — Detective Carter (Taraji P. Henson, foreground) is called upon to assist when The Machine's latest mark puts Reese undercover as part of an armored truck crew, a case that brings back memories of his last C.I.A. mission, and painful decisions he was forced to make, on PERSON OF INTEREST, Thursday, April 26 (9:00 – 10:00 PM, ET/PT) on the CBS Television Network. Also pictured: Michael Kelly (left), Darien Sills-Evans (center, background). Photo: Giovanni Rufino/Warner Bros. ÃÂ'Ã'©2012 Warner Bros. Television. All Rights Reserved.

"Matsya Nyaya" — The Machine's latest mark puts Reese (Jim Caviezel, right) undercover as part of an armored truck crew, a case that brings back memories of his last C.I.A. mission, and painful decisions he was forced to make, on PERSON OF INTEREST, Thursday, April 26 (9:00 – 10:00 PM, ET/PT) on the CBS Television Network. Also pictured: Annie Parisse, left. Photo: Giovanni Rufino/Warner Bros. ÃÂ'Ã'©2012 Warner Bros. Television. All Rights Reserved.

"Matsya Nyaya" — The Machine's latest mark puts Reese (Jim Caviezel, right) undercover as part of an armored truck crew, a case that brings back memories of his last C.I.A. mission, and painful decisions he was forced to make, on PERSON OF INTEREST, Thursday, April 26 (9:00 – 10:00 PM, ET/PT) on the CBS Television Network. Also pictured: Michael Kelly, left. Photo: Giovanni Rufino/Warner Bros. ÃÂ'Ã'©2012 Warner Bros. Television. All Rights Reserved.

"Matsya Nyaya" — The Machine's latest mark puts Reese (Jim Caviezel, left) undercover as part of an armored truck crew, a case that brings back memories of his last C.I.A. mission, and painful decisions he was forced to make, on PERSON OF INTEREST, Thursday, April 26 (9:00 – 10:00 PM, ET/PT) on the CBS Television Network. Also pictured: Annie Parisse, right. Photo: John P. Filo/CBS ÃÂ'Ã'©2012 CBS Broadcasting Inc. All Rights Reserved.