“At some point we stop and forget about the criminals and realize the void that is there for someone who helped you for so long. “There are no words to describe what it is to go through 39 years of grief and not knowing,” she said. She described Lansen, after whom she was named, as a “warm and wonderful” role model who left behind a 7-year-old daughter. Linda Sheffield, Lansen’s niece, close friend and roommate, said she’d all but given up hope that those responsible for devastating her family would be brought to justice. Multiple law enforcement agencies - including the Florida Department of Law Enforcement, Tampa Police Department and Hillsborough County Sherriff’s Office - cooperated in the more than two-year effort to carry the unsolved cases forward.Īfter eliminating DuBoise as a possible suspect in Grams’ murder and matching Robinson and Scott’s DNA to the crime, detectives gathered evidence and built cases against them that prosecutors could take to court.Īt the same time, the Conviction Review Unit within the Hillsborough State Attorney’s Office, created in 2018 under Warren, began to examine other unsolved murders in the Tampa Bay area from the same time.Īssistant State Attorney Teresa Hall, who supervises the unit, contacted the HCSO in 2021 about the Lansen killing, a cold case detectives had reopened twice over the decades but for which no viable suspects were ever found.
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“We’ve now connected Amos Robinson to four murders in the span of 103 days in Tampa in 1983 and Abron Scott to three murders,” Warren said. “These men are serial murderers and rapists, and although they’re already serving a life sentence, their crimes against Barbara Grams and Linda Lansen cannot and will not go unpunished.” Scott is serving one life sentence for first-degree murder, kidnapping, robbery and burglary. He’s now serving three life sentences for first- and second-degree murder, kidnapping and robbery. Since his incarceration, Robinson has also killed two of his fellow inmates. Image via the Hillsborough County State Attorney’s Office. Grams was 19, Castro was 55 and Orellana was 33. Warren confirmed prosecutors have received grand jury indictments charging Robinson and Scott for both crimes.
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He’s seeking $1.85 million in compensation from the state.įlorida Politics reached out to DuBoise for comment but received none by publication time. An innocent man, Robert DuBoise, sat wrongly convicted in prison for 37 years for killing Grams until August 2020 after tests of a long-shelved but preserved rape kit proved him innocent. Their DNA also is a match for genetic materials found on Barbara Grams, whose rape and murder occurred in the Tampa Bay area just over a month later. On Thursday afternoon, Hillsborough County State Attorney Andrew Warren announced his office has conclusive DNA evidence linking two already imprisoned Florida men, Amos Robinson and Abron Scott, to Lansen’s August 1983 murders. The nearly 40-year-old unsolved rape and murder of Tampa woman Linda Lansen is a cold case no more, and it turns out the men responsible were also behind three other slayings in the area, including one for which a man was wrongly imprisoned for decades.