San Jose Sons Arrested in Alleged Murder of Parents with Chilling Messages Written Nearby: 'Sorry My First Killing Was Clumsy'

Two San Jose, California, brothers have been arrested for the alleged murders of their parents – but the elder brother says the true story behind the slayings will come out at trial.

On April 24, police responded to a suspicious circumstances call in San Jose's comfortable Evergreen neighborhood, according to a police statement obtained by PEOPLE. Upon entering the sprawling house, they discovered the bodies of Golam Rabbi, 59, and his wife, Shamima Rabbi, 57, who had been shot to death, the statement says.

"Both victims were shot at least once," the statement says. "The motive has not been determined."

After searching for the brothers since that day, police found and arrested them Wednesday night: Hasib Bin Golam Rabbi, 22, and his 17-year-old brother, whose name has been withheld because he is a minor, are allegedly "the persons responsible for this homicide," the statement says.

"There are no outstanding suspects," the statement says. "The victims were the suspects' parents. No additional details will be provided about the investigation."

Bin Golam Rabbi was arrested in Tracy, California, and his brother was arrested in San Jose.

Bin Golam Rabbi was booked into the Santa Clara County Jail for murder. His brother was booked into the Santa Clara County Juvenile Hall for murder. They are both being held without bond.

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Accused Son: 'I Want Everyone to Know What Happened'

In a jailhouse interview with the San Francisco Chronicle, Bin Golam Rabbi said the real story behind the murders will become known.

"The best thing if anyone wants to know what happened is to wait for the trial," he told the paper from a jailhouse phone.

"I want everyone to know what happened, but I can’t say anything without a lawyer," he said.

Even though his younger brother, a senior at Evergreen Valley High School, was taken into custody, Bin Golam Rabbi told the Chronicle that the teen is innocent and had nothing to do with the murders.

Eerie Messages

Chilling messages were allegedly written on the floor and wall near the parents' bodies, including one that read, "Sorry my first killing was clumsy," a source told NBC Bay Area.

Another message allegedly ended with the words, "I can’t be like you, telling a lie. I can’t love someone without telling them."

Police have not confirmed the messages.

On Thursday, well-wishers placed candles and roses in front of the Rabbi's house on a quiet, tree-lined cul-de-sac in memory of the slain couple.

Friends and family are shocked at the murders of the Rabbis, who immigrated to San Jose from Bangladesh more than three decades ago, according to the Chronicle.

They are being remembered as kind-hearted people who helped others who came to the United States.

"They not only brought us here, they also brought us food and shelter, at least until we found our means to survive," the Rabbi's 37-year-old nephew, Golam Mustakim, told the Chronicle. He added that the couple "displayed this same kindness to other families in the United States."

Funerals for the couple will be held Friday.

Anyone with information is asked to contact Detective Sergeant Pat Guire or Detective Ken Tran of the San Jose Police Department's Homicide Unit at 408-277-5283 or the anonymous Crime Stoppers Tip Line at (408) 947-STOP (7867).