Jackie Bragg looks to the sky Friday and clutches a memorial quilt to her chest while she swings at Mill Island Park in Fairfield, where she used to take her daughters as children. The daughters, Amanda Bragg and Amy DeRosby, were shot and killed a year ago in Oakland.

Jackie Bragg, left is comforted by friend Carla Chaput, right, as she reflects Friday on the lives of her daughters Amanda Bragg and Amy DeRosby at Mill Island Park in Fairfield.

Police from six agencies respond on Nov. 4, 2015, to a report of a shooting at 41 Belgrade Road in Oakland involving multiple victims.

Carla Chaput, 57, left center, comforts Jackie Bragg, 54, mother of Amanda Bragg and Amy DeRosby, on Friday at Mill Island Park in Fairfield. Chaput was a friend of Amanda Bragg and her boyfriend, Michael Muzerolle, who were shot to death along with DeRosby one year ago in Oakland.

Jackie Bragg sheds a tear Friday as she recalls her daughters Amanda Bragg and Amy DeRosby at Mill Island Park in Fairfield, where she used to take them as children.

Jackie Bragg, left holds a small quilt of memories of her daughters Amy DeRosby and Amanda Bragg and Amanda's boyfriend, Michael Muzerolle, on Friday as she is comforted by friend Carla Chaput, right, at Mill Island Park in Fairfield.

Jackie Bragg, left, is comforted Friday by friend Carla Chaput, right, as she reflects on the lives of her daughters Amanda Bragg and Amy DeRosby at Mill Island Park in Fairfield.

Oakland police Chief Mike Tracy, left, and Department of Public Safety spokesman Steve McCausland speak Nov. 5, 2015, about details of the triple homicide in Oakland.

Arianna, the daughter of Amanda Bragg and Michael Muzerolle, is carried to safety Nov. 4 after the shootings in Oakland that left her parents dead. Police found the 3-year-old unharmed in the first-floor apartment at 41 Belgrade Road.

Scores of people hold candles Nov. 8, 2015, in a support vigil for the victims of the fatal shootings four days earlier in Oakland and as part of an effort to help the town heal.