Mr. González had met Ms. Yaun at a Waffle House restaurant, where he was a customer and she was a server. Ms. Yaun had been a single mother, raising a 13-year-old son. The couple married last year and had a daughter, who is now 8 months old. “What I need most right now is support,” Mr. González said in the interview.

After the shooting at the Acworth spa, the authorities said that Mr. Long continued his attack. Gunfire was reported at two other massage parlors near each other in Atlanta.

His car was spotted two hours later, about 150 miles south of Atlanta, in Crisp County, Ga., officials said.

Investigators said that Mr. Long appeared to have been motivated by an addiction to sex. He targeted the spas as an outlet for something “that he shouldn’t be doing,” Captain Baker said in a news conference last week.

Mr. Long has been charged with eight counts of murder. On Sunday, Crabapple First Baptist Church, the conservative congregation that had been central to his life, formally ejected him from church membership, saying it could “no longer affirm that he is truly a regenerate believer in Jesus Christ.”

In Sunday services, the first since the rampage, the sermon was devoted to grief and pain, including biblical passages of loss and lament. The names of the eight victims were read aloud.

“All of our hearts are broken,” said Jerry Dockery, the senior pastor, adding that the congregation had been gutted by the “hatred and violence” of the attacks.

It was a sense of devastation that Mr. González struggled with as he contemplated raising his stepson and his daughter without Ms. Yaun.

“That murderer,” he said in the interview, “only left me pain.”

Rick Rojas reported from Acworth and Giulia McDonnell Nieto del Rio from New York. Jack Healy contributed reporting from Milton, Ga.

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