Nancy Guthrie case update: Nearly five months after Nancy Guthrie disappeared from her Tucson, Arizona, home, investigators have yet to identify a suspect or announce a major breakthrough. As the search continues, a criminal defense attorney and former prosecutor has offered his perspective on what may have happened.Speaking with Hello!, Southern California attorney R.J. Dreiling shared his belief that the case may have involved careful planning by someone who knew the 84-year-old and understood how to avoid leaving evidence behind.Nancy Guthrie, the mother of Today’s Savannah Guthrie, has been missing since February 1. According to investigators, she was abducted from her home in Tucson, Arizona. Since then, authorities have released doorbell camera footage showing a masked suspect and have sent DNA evidence to the FBI laboratory in Quantico for testing.ALSO READ: Is Savannah Guthrie done with the official investigation? Here's why she is spending $500K on private investigators for her missing mom, Nancy GuthrieWere the ransom letters a distraction in the Nancy Guthrie case?You Might Also Like:One of the most unusual developments in the case came early in the investigation when an alleged ransom note was sent to TMZ and other media outlets. The message offered to return Nancy in exchange for Bitcoin, as per a report by TV Insider.TMZ reported that the cryptocurrency demand was worth millions of dollars and that the wallet address included in the communication was legitimate.However, Dreiling told Hello! he is sceptical about the purpose of those messages. “The lack of follow-through on any ransom demand makes it look like it was a distraction meant to throw off investigators,” he told the outlet.ALSO READ: Nancy Guthrie’s case took another unexpected turn: Ancient skeleton found near search area- here's what it means for the caseYou Might Also Like:What theory does the expert support?Dreiling said he believes the person responsible may have carefully planned the crime and could have been someone familiar with Nancy.He described the potential suspect as “someone intelligent enough to completely hide their tracks, including DNA, fingerprints, and electronic data, but also deranged enough to kidnap this woman out of her home and hold her hostage.”The attorney also pointed to similarities with the case involving John Hinckley Jr., who became obsessed with actress Jodie Foster and attempted to assassinate then-President Ronald Reagan in an effort to impress her.You Might Also Like:“What is worth considering are parallels to the Jodie Foster / John Hinckley Jr. case. Someone who is methodical in preparation but has a motive that makes no rational sense,” Dreiling explained, as per a report by TV Insider.Why does he believe hope remains?Despite the lack of significant updates, Dreiling urged people not to lose faith.“It’s important to remember that even though it has been a substantial amount of time since she went missing, hope is not lost,” he stated, referencing how Elizabeth Smart was found months after her kidnapping.He also highlighted advances in investigative technology.“Technology has come a long way since then, particularly as it pertains to cell phone data and electronic tracking,” Dreiling continued. “The best possible outcome here would be a DNA profile from the scene or another location matches someone with a clear motive, whether through prior contact, a personal grievance, or even a digital footprint on social media," as per a report by TV Insider.The Nancy Guthrie investigation remains ongoing, with authorities continuing to examine evidence while awaiting potential breakthroughs.FAQsWhen did Nancy Guthrie go missing?Police believe she was abducted from her Tucson home on February 1.Have investigators named any suspects?No suspects have been publicly identified so far.