he didn't want her to add marijuana to this toxic system that was developing inside ashley fallis. >>ter: the defense says ashley put a gun to her head during the argument in the bedroom and pulled the trigger. here's their client during the interrogation. >> i didn't shoot my wife, bull [bleep]. no! no! no! >> shep, the trial expected to last three weeks. >> thanks for following. >>> this is a wonderful day in america. at long last, the company admitted an airport screener that will let you once again carry a normal size bottle of shampoo in the carry on. and dare to dream, someday you don't have to toss the water bottle out before security. we are living in miraculous times. don't let a cracked windshield ruin your plans. trust safelite. with safelite's exclusive "on my way text" you'll know exactly when we'll be there. giving you more time for what matters most. (team sing) ♪safelite repair, safelite replace.♪ when they thought they should westart saving for retirement.le then we asked some older people when they actually did start saving. this gap between when we should start savi

. >> reporter: new year's day, 2012, ashley fallis lays dying from a gunshot wound to her head and husband >> please, help me. please help me. >> reporter: only hours earlier, the couple dancing in the new year. five separate law enforcement agencies ruled her death a suicide. the case closed. >> the forensic analysis done did not support any indication that tom was in proximity of ashley when the shot was fired. >> reporter: but this morning tom fallis, a former colorado corrections deputy is on trial for her murder. a grand jury investigation opened in 2014 when new witness statements emergeed. one neighbor claiming he overheard fallis confessing the murder to his parents. something he denied in court. >> he proceeded to say i shot my wife. >> reporter: fallis is charged with second degree murder. >> i didn't shoot my wife. i don't want her gone. i want her here. >> reporter: his lawyer telling jurors the mother of three was unstable. >> it was determined to be a suicide in 2012 and it's still a suicide in 2016. >> reporter: and that she had even written a suicide note the summer before

fallis was arrested in november of 2014... nearly two years after his wife, ashley, died in their home in evans. the investigation originally found ashley took her own life in 2012. then in 2014.... previously unheard witness accounts that claimed the evans police commander mishandled the case surfaced... and that's when fallis was arrested. fallis was released on a 500-thousand dollar bond on february 9th. husband at work her - she did not survive. the driver did not stop greeley police say woman was walking across the street... right outside the swift meat packing plant...when the suv hit her and drove off. police say the victim was wearing all black clothing... so the driver may not have been able well. two people who were killed in a plane crash in el paso county early yesterday morning. the cornor's office says it will take several days to identify the victims. with the federal aviation administration says the single engine plane crashed near palmer lake yesterday- between larkspur and the air force academy. the impact sparked firefighters were able to get it o

>> reporter: fallis making that 911 call shortly after midnight. his wife ashley three, mortally wounded in their bedroom. a single gunshot to the head. >> ashley, no, ashley, no! you are not leaving me. >> reporter: five law enforcement agencies at the time ruling it suicide. four years later and a twist, tom fallis is now on trial for his wife's murder. he has pleaded not guilty. prosecutors accusing him of pulling the trigger himself and staging the scene, allegedly faking the 911 call. >> you can hear me, i know you can hear me. >> reporter: but in court friday, this bombshell. >> the temple, the entry wound right here on the hairline. >> reporter: the state's own crime scene investigator, dan gillam, the prosecution's witness admitting under cross-examination the blood spatter evidence might suggest tom couldn't have been the one to pull the trigger. >> is that an unnatural position for another person to be holding the gun in that manner? >> it is to me. >> reporter: refuting this from the interrogation video from 2012. >> i don't understand how she's going t

ashley, no! you're not leaving me. >> reporter: five law enforcement age sis at the time, ruling it a suicide. four years later and a twist, tom fallis is now on trial for his wife's murder. he's pleaded not guilty. prosecutors accusing him of pulling the trigger and staging the scene, allege lid faking the 911 call. >> you can hear me, i know you can hear me. >> reporter: in court friday, this bombshell. >> the entry wound right here on the hairline. >> reporter: the state's own crime scene investigator, dan gillam, the prosecution's witness, admitting under cross-examination showing tom to pull the trigger. >> is that an unnatural position? for a person to be holding the gun in that manner? >> it is to me. >> i don't understand how she's going to have it clear back behind her ear. i'm telling you that the wound is back here, though. >> i didn't pull the trigger. >> reporter: demonstrating in court on friday that if ashley did shoot herself, the back of the head wound could have been an exit wound. >> the jurors heard it. they saw the demonstration. they heard the testimony. and it will linger. it will be ever-present in the trial.