The gunman who killed nine people at a Northern California light rail station earlier this week hid an arsenal of weapons and ammunition in his home, which he lit as part of his planned rampage. “Petrol, suspected Molotov cocktails, twelve firearms and about 22,000 rounds of various types of ammunition were at his home,” Santa Clara County Police Office said in a statement Friday. “This was clearly a planned event and the suspect was prepared for that.” He used his firearms to kill as many lives as possible, the sheriff’s representatives could not enter to stop his rampage. ”Before the gunman left his home Wednesday morning, he set a timer or slow burning device to set his home on fire, according to Laurie Smith, the mayor of Santa Clara County. She said he was in possession of three 9mm semi-automatic pistols as well as 32 high-capacity magazines loaded with additional ammunition, while officers initially found “potentially explosive materials” in the gunman’s home and the Transportation Authority in Santa Clara Valley. No explosives are eventually found, and the office said: “Co-workers have described the suspect as indignant, and investigators are investigating his relationship with the Legionnaires’ Office of Investigators.” Railroad attack A complex scheme with little motive in mind exclusively: San Jose was not alerted that the FBI A Railroad Yard Killer was once detained for terrorist books and hateful graffiti, says DA In 2016, US Customs and Border Protection stopped Cassidy on a flight back from the Philippines and was found to have expressed his hatred for the rail yard he was working on, according to a ministerial memo. Homeland Security from the station obtained by The Wall Street Journal. Cassidy found that Cassidy had “books on terror and fear and statements … as well as a black diary book filled with loads of notes on how he hates the VTA,” according to the memo. When asked if he has had problems with anyone at work, Cassidy said “no,” according to the memo. Local law enforcement authorities in the San Jose area were never notified of the warrant or Cassidy’s detention, Santa Clara County Attorney Jeff Rosen said in an interview with USA TODAY. He indicated that his office, along with the local authorities and the gunman’s employer, might be able to intervene and stop the attack from taking place. “The DA’s office was not notified,” Rosen said, adding that he was not aware of any agency in the area that had been informed of this information. “I would like to know this in 2016.” On Friday, a VTA spokesperson said, in response to a question about whether Cassidy had said or done anything to make employees uncomfortable, he said the authority was reviewing all records relating to Cassidy. Here’s what we know. The gunman’s father said on Friday that he had seen his son just two days before the attack and was shocked by what happened. “He came to help his mother with her car,” James Cassidy, 89, told Mercury News. The father told the outlets that there was “no hint” of what his son had planned, adding that they had not seen Samuel Cassidy much and rarely heard him complain about anything. James Cassidy told Mercury News: “He never pointed out anything that was wrong at all.” But his father said that his son suffers from bipolar disorder, although it is “no excuse” for what happened. The gunman’s father did not clarify whether he had been diagnosed with the disorder or whether he had been treated before. Witnesses say the shooting targeted certain people, and the contents of the memo were “from the outside” consistent with the image that law enforcement has so far drawn of a man who appears to have stirred hatred against the people he worked with for a decade. While Cassidy shot nine other employees before committing suicide, witnesses say he targeted certain people. Smith, the sheriff, said Cassidy told at least one person “I’m not going to shoot you” before shooting the others. “So I imagine there is some sort of thinking about who wants to be shot,” Smith said. Didn’t Wait ‘: Officers rushed to San Jose’s railroad yard where gunfire was still ringing, authorities say, Kirk Bertolet, a signal maintenance worker who worked in a unit separate from Cassidy, told The Associated Press that the suspect was unharmed. People he met on the way to the second building, where more shots were fired. “Sam was careful to kill everyone who wanted him,” Bertolet said. “He made sure they were dead.” “I watched some of my co-workers take their last breaths, and they are all gone. Seven of them are just gone.” Bertolet described Cassidy as “weird,” saying, “He was never in the set. He was never accepted by anyone who looked back and went,“ Yeah, that’s right. ”Who are the victims? Nine people were killed in the shooting, among the victims were bus and light rail workers, mechanics, transport workers and an assistant manager. : Paul Delacruz Mejia, 42; Tabtajdeep Singh, 36; Adrian Balleza, 29; Jose Digisos Hernandez, 35; Timothy Michael Romo, 49; Michael Joseph Rodometkin, 40; Abdul Wahab Al-Agmandan 63 years old. Lars Kepler Lane, 63; And Alex Ward Fritch, 49, according to the Santa Clara County Coroner’s Office. There is a strong connection between several agency employees, said George Sandoval, VTA’s Director of Light Rail Maintenance Operations, at a press conference on Thursday. “For 20 or 30 years, yes, we have become a family,” Sandoval said. “Our employees respond to emergencies on the railroad and there is a pledge.” He tried to warn his co-workers, then shot him: loved ones mourning the victims of the shooting in Square San Jose Railroad.Vigil outside San Jose City Hall as family members remember in tears their loved ones as heroes and role models Kerman, Baptigdeep Singh’s brother, said his brother had a “lion’s heart.” When the gunman shot, Tabtegdeep Singh from a safe office rushed to help Others to escape, his family’s witnesses told.Anette Romo, whose husband Timothy Michael has passed away, told the crowd: “Never leave the house without giving a kiss to your loved ones. A GoFundMe spokesperson said that a central center has been set up to identify and verify fundraisers for victims and their families at gofundme.com/san-jose-strong. Police say Cassidy intricately conspired to shoot. He collected weapons, read about terrorism, took bomb-making materials and visited his home to climb into Hell while killing nine of his fellow employees. Before Cassidy left his home at around 5:39 am, he set a timer or slow motion. Smith, the mayor of Santa Clara County, said that a setfire was burned in his home, and authorities say they found a variety of what appeared to be bomb-making materials in Cassidy’s locker – leading to the area being sealed off and bomb technicians to sweep the area. Large complex. Those who knew Cassidy said he had anger and alcohol issues, threatened workplace violence and spoke for years about his hatred for his workplace. Cecilia Nelson, who was married to Cassidy for 10 years before filing for divorce in 2005, told The Mercury News that he was often angry at his co-workers and his work assignments, even though she said she hadn’t spoken to him in nearly over a decade. Another woman who dated Cassidy accused him of rape and sexual assault, according to court documents from 2009 obtained by Mercury News. The documents also included accusations that Cassidy suffered from severe mood swings and suffered from alcohol abuse. Contribution: John Bacon, USA Today; Associated Press Contact news now correspondent Christine Fernando at cf[email protected] or follow her on Twitter at christinetfern.