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Transcripts for MSNBC Dateline 20240604 07:19:00

car. besides blood and hair, something else caught their attention. they noticed almost immediately on the hood of her bmw was red-brown staining. karen oswald, a fingerprint expert, worked the case. she says once investigators visually inspected the staining on the hood, they dusted it for prints. there were a few handprints that were developed on the hood. and were you able to get prints off of them? was it usable handprint? they weren t usable the way they were with just the white fingerprint powder. there weren t enough characteristics to compare it to somebody else. then they did a second test using a chemical called amido black. and this time, there was enough detail. one of the handprints was useable for comparison. and the test told them something else. so if there s blood on this palm print it s going to now show up with this chemical? hopefully, yes. and what happened when you put the chemical on it? it did develop. so the palm print turned blue? yes

Transcripts for MSNBC Dateline 20220129 09:17:00

was it a usable handprint? they weren t usable the way they were with just the white fingerprint powder. there weren t enough characteristics to compare it to somebody else. then they did a second test using a chemical called amido black. and this time, there was enough detail. one of the handprints was useable for comparison. and the test told them something else. so if there s blood on this palm print, it s now going to show up with this chemical. hopefully, yes. and what happened when you put the chemical on it? it did develop. so the palm print turned blue? yes. blue. which means that there was very likely blood in that palm print. correct. and that s a big deal. it s a tremendous deal. while oswald and her team examined the prints, other investigators tested the blood to see who it belonged to. the blood came back to sarah goode. oswald believed the killer had attacked sarah, got her blood on his hands, and then carelessly left his prints. so that s w

Transcripts for MSNBC Dateline 20210906 07:17:00

prints off of them? was it usable handprint? they weren t usable the way they were with just the white fingerprint powder. there weren t enough characteristics to compare it to somebody else. reporter: then they did a second test using a chemical called amido black. and this time, there was enough detail. one of the handprints was useable for comparison. and the test told them something else. so if there s blood on this palm print it s going to now show up with this chemical? hopefully, yes. and what happened when you put the chemical on it? it did develop. so the palm print turned blue? yes. blue. which means that there was very likely blood in that palm print. correct. and that s a big deal. it s a tremendous deal. reporter: while oswald and her team examined the prints, other investigators tested the blood to see who it belonged to. the blood came back to sarah goode. reporter: oswald believed the killer had attacked sarah, got her blood on his hands an

Fingerprint Powder Market Increasing Demand with Leading Players: Safariland, Fisher Scientific, Arrowhead Forensics, Foster + Freeman

Fingerprint Powder Market Increasing Demand with Leading Players: Safariland, Fisher Scientific, Arrowhead Forensics, Foster + Freeman
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Transcripts for CNN Wolf 20151204 18:33:00

this is the biggest visible screwup in history that has occurred a that a terrorist incident just happened and the repo reporters are going through and looking at i.d.s and pictures all after of that should be evidentiary. it is all evidentiary, and the c carpet. how do we know if there is any dna in the carpet? i don t see any fingerprint powder anywhere in the apartment. wolf, if these people were really bent on killing, they could have bombs implanted in the walls for goodness sakes. i just i have never i was talking to harry ho oulk a moment ago, and he was speechless. go ahead, paul. i have tried numerous murder cases as a prosecutor and defense attorney, the and i can tell you, never have i seen something like this. and of course, if it turns out that there are other people involved in this crime, this is the absolute destruction of any

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