SEASIDE, Calif. (KRON) -- Kidnapping and rape survivor Denise Huskins spoke to reporters in Seaside on Tuesday about how she helped investigators find more victims who were allegedly targeted by Matthew Muller. The Muller case regained traction after it was detailed in a popular Netflix documentary, "American Nightmare," last year. Huskins recently teamed up with investigators to write prison letters to her convicted kidnapper and discover more crimes that he allegedly committed before he was finally caught in 2015. Bay Area prosecutors filed new charges against Muller on Monday and last week. "This man had all the markers of a serial predator. It's something he crafted and perfected over a long period of time," Huskins told reporters. "This is just the tip of the iceberg." Denise Huskins talks to reporters in Seaside, Calif. on Jan. 7, 2025. (KRON4 Photo) Tears flowed down Huskins' face Tuesday as she talked about finding additional victims whom were previously unknown to law enforcement, and helping them seek justice. She stood next to Seaside Police Chief Nick Borges, who helped reopen the case and discover additional crimes that occurred in Santa Clara County, Contra Costa County, and El Dorado County dating back to 1993. Muller, 47, was a Marine who graduated from Harvard University and worked as a lawyer in California. Investigators described him as "exceptionally intelligent" and "exceptionally well educated." He was 38 years old when he kidnapped Huskins from her Vallejo home on Mare Island, drugged and tied her up, and held her captive for two days in his South Lake Tahoe cabin. Denise Huskins, Aaron Quinn, and Seaside Police Chief Nick Borges appear at a news conference in Seaside, Calif. on Jan. 7, 2025. (KRON4 Photo / Amy Larson) Borges said he worked closely with Huskins before he wrote a series of letters to Muller while he was an inmate at a federal prison in Arizona. Muller allegedly confessed in his reply letters that he committed two home invasions with intentions to rape women inside their Palo Alto and Mountain View homes in 2009. He also confessed to kidnapping a sex assault victim when he was 16 years old in 1993, and holding hostages for ransom during a 2015 home invasion in San Ramon, investigators said. Muller was arrested in the summer of 2015 days after he broke into a Dublin family’s home and accidentally left a cellphone behind. El Dorado County District Attorney Vern Pierson said Muller's prison letters "led to a breakthrough with new evidence and revelations of additional crimes. We now know Muller began committing kidnapping and sexual assaults at age 16, (followed by) home invasions in 2019, numerous prowling and peeping, secret recordings, and three separate home invasions in 2015." Chief Borges said he wrote his letters to Muller in a way that "just spoke to him as a human. No trickery. It was just authentic." Matthew Muller is seen in mugshots from 2015 and 2018. (Images via Solano County District Attorney's Office) Muller meticulously planned out his crimes and practiced before "terrorizing" victims who were woken up in the middle of the night by a home intruder, Pierson said. Pierson said his investigators, as well as FBI agents, interviewed Muller in prison "during which he admitted to even more crimes" last year. Investigators corroborated information from Muller's confessions by finding additional evidence, the DA said. As one example, Pierson said his investigators found a ladder in the middle of the woods where Muller said he left it after breaking into a home. Matthew Muller confessed to South Bay cold cases: court documents Chief Borges and Huskins were "persistent that there was more to this case. That Matt Muller had committed more crimes," Pierson said. And they were right, he added. Denise Huskins walks into a news conference in San Francisco on Sept. 29, 2016. (Photo By Paul Chinn/ The San Francisco Chronicle via Getty Images) On Tuesday, Huskins thanked the Seaside Police Chief and DA Pierson for taking the Muller investigation seriously. It was a stark contrast to Huskins' "nightmare" experience with the Vallejo Police Department when she went missing in 2015. On March 23, 2015, Muller broke into a Vallejo home where Huskins lived with her boyfriend, Aaron Quinn. He tied the couple up, drugged them with a sleep-inducing liquid, and drove Huskins to a cabin in South Lake Tahoe. When Quinn regained consciousness, he called police. While Huskins was being held captive in the cabin, Vallejo Police Department detectives suspected that her boyfriend murdered her, the documentary revealed.  Aaron Quinn answers questions from reporters in Seaside, Calif. on Jan. 7, 2025. (KRON4 Photo) On March 25, 20215, Muller dropped off Huskins near her parent’s home in Huntington Beach. For a moment, before police and news reporters arrived, Huskins said she thought her "nightmare" was over. But it wasn’t.  Later that day, the Vallejo Police Department held a news conference and told reporters that police found no proof of a kidnapping. VPD claimed that the incident was a hoax. One FBI agent told Quinn that he should watch the movie "Gone Girl" because it was about a woman who faked her own kidnapping and it was similar to Huskins' story, according to the documentary. Timeline: Matthew Muller and the 'American Nightmare' Vallejo kidnapping case The case made national media headlines as the "Gone Girl kidnapping." However Huskins and Quinn were telling the truth to police. They were later cleared of false accusations made by VPD and Muller was charged with kidnapping Huskins. Vallejo Police Lt. Kenny Parks confirms to reporters that Denise Huskins was found safe on March 25, 2015. (Photo by Chris Riley/ Vallejo Times Herald via Getty Images) The couple's story was heard by 20 million people who watched Netflix's "American Nightmare" 2024 documentary, which detailed how Vallejo police botched their investigation. Seaside is located 100 miles south of Vallejo. Chief Borges had not heard about the case until he watched the documentary, court documents state. He first reached out to Huskins by sending her a private message through Instagram. Huskins and Quinn were not only exonerated, they were heroes for seeking out justice for additional victims, Borges said. "It was Denise and Aaron that lit the flame that started so many things in motion. This is what law enforcement and survivors working together looks like ... following evidence," Borges told reporters. Pierson said, "This case should be referred to properly as the 'American Nightmare case,' and not the "Gone Girl case.'" On Tuesday, Huskins confirmed that she has never received an apology from the Vallejo Police Department. There were no members of VPD present at the news conference. Huskins and Quinn are now married and parents of two young children. Muller is serving a 40-year prison sentence. The district attorneys of El Dorado and Santa Clara counties said they filed new charges against him in recent days before they want to ensure he is never released from custody. He is currently locked up in a San Jose jail cell as he faces charges for the 2009 South Bay home invasions. If convicted of the new home invasion and kidnapping charges, Muller will face a life sentence. Huskins said Tuesday, "It’s unfortunate that it’s taken this long to be able to give some clarity and a sense of peace to these other victims." Huskins said her message to sexual assault survivors is, "Always believe in yourself. Trust yourself. It's really easy to go into self-blame, self-doubt, and shame. Get support from wherever you can close to you, and know that you can always trust in yourself." Over the past 10 months, agencies that joined the investigation reopening the Muller case included the FBI, Seaside Police Department, Palo Alto Police Department, Mountain View Police Department, Federal Bureau of Prisons, Contra Costa County Sheriff's Office, Alameda County Sheriff's Office, and several district attorneys.