Multiple missing person cases involving vulnerable individuals have been reported across different regions. Pittsburgh police are searching for Kathleen Sacco, a 75-year-old woman with dementia, last seen near Liberty Avenue and Edmond Street. Miami-Dade Police are looking for Gerardo Jesus Lopez, a 78-year-old man who left his assisted living facility. In Lions Bay, 35-year-old Sara Livingstone is missing and believed to be traveling in a white Mazda CX5. Brenda Jackson, a 76-year-old woman with dementia, was last seen leaving her Gardena home on July 4th, while South Gate detectives are seeking Benito De La Cruz, a 65-year-old with undiagnosed dementia and Alzheimer's. Authorities urge anyone with information on these individuals to contact the respective police departments.