Mass shootings create rippling network of stricken survivors

  • In this Monday, Aug. 6, 2012 file photo, Sikh worshipers gather for a candlelight vigil after prayer services at the Sikh Religious Society of Wisconsin in Brookfield, Wis. A gunman identified as a former leader of a white supremacist heavy metal band killed six people at the Sikh Temple of Wisconsin in Oak Creek before being shot to death by police. (AP Photo/M. Spencer Green)

  • In this Saturday, June 1, 2019 photo, Pardeep Singh Kaleka poses for a portrait outside the Sikh Temple in Oak Creek, Wis. Kaleka, whose father was one of six people killed in a 2012 mass shooting at a Sikh temple in Wisconsin, has bonded with those who’ve lost families in other attacks. He’s traveled to Pittsburgh, Newtown, Conn. and Charleston, S.C., and says there’s another instant connection with survivors from those communities. “We’re like family,” he says. (AP Photo/Morry Gash)

  • In this Wednesday, Oct. 26, 2016 file photo, first responders hold a flag on the court as the national anthem is played during a tribute to the victims of the Pulse nightclub shooting prior to an NBA basketball game between the Orlando Magic and the Miami Heat in Orlando, Fla. The attack left 49 people dead; the shooter was killed after a three-hour standoff with police. (AP Photo/John Raoux)

CHICAGO — Pardeep Singh Kaleka has surveyed the landscape of an America scarred by mass shootings.