MISSING: Singer-Songwriter Camela Leierth-Segura Hasn’t Been Heard From Since Late June

California police are searching for a woman who has been missing since late June. Camela Leierth-Segura, 48, was last heard from on June 29. Additional details regarding her disappearance were not disclosed. Leierth-Segura is a singer-songwriter who co-wrote Katy Perry’s 2013 single “Walking on Air. ” She was described as being 5 feet, 1o inches, …