Sandra Bertolas was 20 and from Menomonee Falls, Wisconsin, when she was reported missing on April 24, 1988. Family and friends described her as lively and community-minded; she was last seen in the Menomonee Falls area. Authorities began searches in neighborhoods and other locations where she spent time and interviewed people who knew her, but those initial efforts did not produce significant leads.

Sandra’s family kept the case in the public eye through local media, community outreach, and social media, urging anyone with information to come forward. The case remains unresolved and continues to weigh heavily on her loved ones.

If anyone knew Sandra, saw her around April 24, 1988, or has information about her whereabouts, please share what you know.