first, the witness who testified clarence elkins threatened judy johnson's life during a telephone callclaimed judy called 911 to report the threat to police. but there was no evidence judy johnson ever called 911. >> the 911 call should have been logged. it was obvious no such phone call had been made. >> and they also discovered that the coroner took vaginal swabs from judy johnson during in the autopsy. on those swabs, lab tests found a substance called acid phosphatase, an enzyme found in the male prostate gland. but those swabs were never tested for dna. >> to be fair, technology in forensic science is constantly improving. >> six years after the murder, melinda elkins received permission from the court to test the swab taken from her mother's autopsy. the forensic lab was able to identify a dna profile from that swab. as melinda always claimed, the dna did not belong to clarence elkins. >> we knew at that point that clarence elkins was innocent. we didn't know the name of the true perpetrator, but we knew his dna profile. >> so for the second time, melinda elkins petitioned the co

judy gold and mayor johnson. a nice round of. [ applause ] >> [ applause ] finally tonight, as those of you who follow us on twitter now one writer on my staff life tweets the show each night. tonight that writer is tim seidell. so "follow" @nightlyshow on twitter and join in the live tweet. and if facebook is more your thing "like" the nightly show to keep track of everything we're doing online. good nightly, everyone. [cheering] onsored by comedy central >> from comedy central's world news headquarters in new york, this is "the daily show" with jon stewart. ( cheers and applause ) >> jon: welcome to the show. on the program tonight, i believe we have fox news' dana perino will be joining us later. that's very exciting. first, we go to atlanta, a major teaching scandal that luckily for once does not involve underage sex-type stuff. >> more than a dozen educators were convict of rock tearing and other charges for their part in one of the nation's cheating scandals. >> inflaight the test scoreless some of their mo

judy gold and mayor johnson.plause ] >> [ applause ] finally tonight, as those of you who follow us on twitter now one writer on my staff life tweets the show each night. tonight that writer is tim seidell. so "follow" @nightlyshow on twitter and join in the live tweet. and if facebook is more your thing "like" the nightly show to keep track of everything we're doing online. good nightly, everyone. [cheering] (heavy panting) well, that was fun. amy, you all right? i don't know. what's up? i think i just thought that i would be more like the focal point? huh. were you not the focal point? no, no definitely not. like, i just-- it never even occurred to me that you would be penetrating phil.