that's not >> reporter: just as stunned was the man whose team took the measurements, lead detective tom wallacewrong? how'd that happen? >> in the process of transposing numbers from actual measurements at the scene to the crime scene program, numbers were just transposed wrong. >> reporter: wallace admits the error but says it was minor, that conrad truman did not deserve a new trial. >> it's not that significant as they made it out to be. >> reporter: did those incorrectly entered measurements change your opinion of conrad truman's guilt? should they change anyone's opinion? >> they didn't change my opinion. >> reporter: nor did it change the opinion of the deputy district attorney, tim taylor, who decided to take on the task himself of prosecuting conrad once again. >> i think craig had been into the case for a long time, so i wanted fresh eyes. so i went through all the evidence. and even with the medical examiner changing his opinion, i still felt that there was enough to go forward. but we knew going into it, it was going to be tough. >> reporter: at trial the prosecution's case was famil

that's where then-detective tom wallace came in. >> there have been a number of theories.going to exhaust them. that's going to happen. >> the medical examiner didn't make wallace's job any easier. his preliminary finding, heidi's manner of death could not be determined. so, wallace tackled each theory, one by one. accident seemed hard to believe. thanks to conrad, heidi had firearms experience. >> can you think of any way it could have been an accident? >> no, heidi wouldn't have been so careless. >> reporter: so what about suicide? >> she's completely naked. we don't see a lot of women that commit suicide, naked. that's not common. >> did you find anybody that heidi had spoken to about suicide? or about being depressed? >> no. >> reporter: neither, heidi's mother janet, nor her sister autumn, could imagine taking her own life. >> heidi would never do that. in fact, heidi was against that. she had a friend who committed suicide and she thought it was selfish and, in other words, dumb. >> heidi ever tell you she was depressed? >> no. >> ever act depressed? >> no, she was p

wallace louisiana. to learn about the history of slavery in america. following is a conversation hosted by tom or jefferson's mounted cello, he focuses on depictions on slavery and jefferson's life have changed over recent deck decades. watch frightening in eight eastern. and enjoy american history tv this weekend every weekend on c-span three. up next on the civil war, the national museum of civil war medicine host an online conversation about soldiers use and access to coffee during the war. museum employees jake win and kyle double-team compare the experience of union and confederate soldiers and take your questions via chat. the national museum of civil war medicine provided this video. >> good morning everyone, thanks for joining us on this new program we're trying out. we're having a morning conversation over. coffee and kyle delta, the membership and a coordinator >> yeah i'm jake when, i'm the director of interpretation for the

tom time. a little tt. stop living with at&t. xfinity delivers gig speeds to more homes than anyone. ♪ >>> the united statesed kingdom there, marking japan's surrender, marking world war ii. ben wallaceaid a wreath there in london, symbolic for the united kingdom's war dead. >>> it's a somber anniversary in japan. the emperor expressed deep remorse over japan's militaristic pass. >>> app situation leopposition belarus have called for peaceful protests this weekend. thousands descended on minsk on friday, demanding changes on what many say was a rigged presidential election. 6,700 people have been arrested. and one person has been killed. many protesters who were detained say they were beaten, tortured and humiliated while in custody. fred pleitgen are in minsk for us. times may be changing. but we know people are angry and questioning the outcome of this, fred. hello to you. what's the latest? >> hi, natalie. there are signs that the opposition here is revitalized and reenergized. and yesterday, a lot of the protests we saw in the city, they seem to reflect that. the crowds are bigger than they had been the days before. a lot of people lost the fear, the big fear they had of authorit