Shriver was taken to Halifax Health Medical Center in Daytona Beach for evaluation, but no major injuries were evident, deputies said.
Deputies said Shriver was last seen about 5 a.m. Friday when she called 911 to report she was having car trouble near the Tiger Bay Wildlife Management Area.
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She sounded suicidal during the 911 call, investigators said.
Deputies said they tracked Shriver’s phone but lost her signal near Daytona Beach.