weldon mcdavid.ewborn baby when the phone rang. >> and i answer the phone and it was s.w.a.t. and they were on my street and told me to come out of the house with the baby. >> reporter: did you have any clue why they were there? >> none. >> reporter: they were there to look for evidence that weldon shot greg. >> the most striking thing about the houses that mr. mcdavid had guns everywhere. >> reporter: san diego county deputy district attorney, said they found a number of guns in the house, but none was connected to the crime. but then, hidden in the garage -- >> they found the upper portion of a ar-15. >> reporter: police noticed there was a suppressor or silencer attached to the weapon. and a brass bag, which catches showcasing so they don't fall to the ground. >> the brass bag happen to have seven spent shell casings in it. which is the same number of shots were fired at night. in carlsbad. >> reporter: you think you found the weapon? >> without a doubt. without a doubt. >> reporter: but we're sti

. >> reporter: weldon mcdavid, the man who said he just wanted to help, once empowered a woman caught in an abusive marriage, now the fallen hero. contemplating life behind bars. perhaps he, sums it up best. >> there is no winners here. there is no winners at all. you know. this whole situation is a loss. strike that is all for this edition of dateline. i am craig melvin. thank you for watching. >>> good morning. and welcome to the sunday edition of morning joe weekend. it was a fast moving newsweek. here are some of the conversations you might have missed. >> we go have new polls from three key battleground states the latest maris poll of likely voters in arizona find former president trump ahead of kamala harris 50% to 49%. >> of course, "new york times" poll had donald trump up 73 points a couple days ago. >> it's the same story. >> outflier with likely voters in georgia where the late of the marist poll finds trump ahead. 50 to 49%. >> one point. >> north carolina, trump and harris deadlocked 49% each. all of these polls fall within their margins of error. >> willie, it is shockin