Tucson , Arizona ( CNN ) -- As the U.S. House of Representatives resumes regular business Monday for the first time since since the January 8 Arizona shootings , the congresswoman shot in the attack continued to make progress , and mourners said goodbye to a staff member who rushed to the aid of others and a retired construction worker who died shielding his wife . U.S. Rep. Gabrielle Giffords was upgraded from critical to serious condition Sunday , eight days after being shot through the brain at a public event . `` The congresswoman continues to do well , '' University Medical Center in Tucson said in a statement Sunday . Giffords was among 19 people shot at the `` Congress on Your Corner '' event at a Tucson supermarket . Authorities believe she was the target of the mass shooting that left six dead and another 13 wounded . A 22-year-old suspect , Jared Lee Loughner , is in custody . On Sunday , the funeral for Dorwan Stoddard took place in Tucson . Witnesses said when the gunfire rang out , Stoddard , 76 , was trying to protect his wife , Mavy , when he was shot in the head and fell onto her . Mavy Stoddard was shot three times in her legs but is expected to recover . `` He threw himself over me , '' Mavy Stoddard said last week . `` I think it was the last shots that killed him . So he saved my life , and gave his for it . And you can not ask for much more . '' A memorial for Gabriel `` Gabe '' Zimmerman , 30 , also took place Sunday . Zimmerman was director for community outreach on Giffords ' staff and was engaged to be married . In addition to Stoddard and Zimmerman , those killed included 9-year-old Christina Green ; Arizona 's chief federal judge , John Roll ; Dorothy Morris , 76 ; and Phyllis Schneck , 79 . The contentious issue of gun control was put in the spotlight Saturday when one of the 13 wounded in the attack was involuntarily committed to a county mental services unit after he made threats against a Tea Party member at a town hall event in Tucson . James Eric Fuller , 63 , photographed Trent Humphries and said , `` You are dead , '' when Humphries began speaking at the event , according to Pima County Sheriff 's Department spokesman Jason Ogan . Humphries told CNN that Fuller 's comment came when the town hall discussion turned toward the issue of gun control . `` I was asked to give my thoughts on gun control laws and perhaps the passage of new laws , '' Humphries said of the incident . `` I said something to the effect that although gun rights and laws are not necessarily the primary focus of the Tucson Tea Party , our community needs to be given the opportunity to allow some time to pass and people to heal before we start this type of political dialogue . '' CNN 's Jason Hanna contributed to this report .
Giffords is upgraded from critical to serious status . ' Stoddard 's response : ` ` He saved my life , and gave his for it . '' A funeral takes place for congressional staffer Gabriel ` ` Gabe '' Zimmerman .