. >> in -- just north of tucson we met alan jones. >> he is with lenore homes. >> if you came up to thisg right here and this is a home you think this home was no different than any other home. >> but it is. just off the main entrance, a second door leads to an apartment built under the same roof. >> all right. trump is red. >> which was part of the appeal for retired school teacher tom moser and his father lee. >> so you are right down the hall, lee? >> yeah. it is real close, right here. so we don't even lock the door. >> you trust them that much, huh? >> yeah, i trust him. >> tom moved into this 3,100 square foot home with his wife kristen last year, his father lee moved in too, to the separate but connected apartment. >> we have our separate places. he has a kitchen, he has a garage, he has laundry facilities and yet we are connected, so there is independence and yet we can see each other when we choose to. >> in close proximity was important when lee returned from a night of bowling white as a sheet. >> so i called the doctor, they did an ekg, he needed a pacemaker, so by living clo