turn. >> because we're currently separated and planning on moving back in together because we started getting along again. >> reporter: and meanwhile, they had this complicated arrangement. shauna worked 7:00 p.m. to 3:00 a.m. at the casino. george, as a firefighter, worked long shifts and got lots of days off. their daughter shuttled back and forth between them and when they were both at work, the girl spent nights with george's mother. >> okay. what shift did you work yesterday? >> a 24-hour shift. >> reporter: so he was at work when shauna was killed. of course, they did some checking, just to be sure. >> you know, if he was there on every run. you know, if he had left for any reason. >> but he was on every run. did not leave work. at all. so, not the husband this time. >> he had nothing to do with the attack of shauna. >> reporter: but george did offer a possible lead. >> the garage door was open, which is unusual. so we were worried because my wife's house got broken into a week or two ago.