Man caught at border in teen’s Morgan Hill murder

 July 8, 2025

A heartbreaking case involving the death of an 18-year-old Morgan Hill woman has reached a pivotal moment with the arrest of the prime suspect. The local community is left reeling as authorities piece together the events leading to this tragic outcome.

According to San Francisco Chronicle, Martin Mendoza was apprehended at the California-Mexico border while attempting to re-enter the United States, following the death of Marissa DiNapoli. The arrest comes after an extensive multiagency investigation launched last week.

DiNapoli's disappearance was first reported on Monday after she was last seen with Mendoza on June 29. The two individuals were spotted leaving a residence on Trail Drive in Morgan Hill at approximately 9:45 a.m., where investigators later discovered DiNapoli's vehicle.

Final Text Messages Reveal Crucial Timeline

The last communication from DiNapoli came through a text message to her family on June 28 at 9:16 p.m. In this message, she informed them of her plans to spend the night at a friend's house, providing no indication of the tragedy that would unfold.

Morgan Hill Police Department immediately launched an extensive search operation upon receiving the missing person report. The investigation took a devastating turn when DiNapoli's body was discovered on Wednesday, transforming the missing person case into a homicide investigation.

Investigators have yet to disclose the nature of the relationship between DiNapoli and Mendoza. The circumstances surrounding their association and the events leading up to her death remain under active investigation.

Multiagency Effort Leads to Suspect's Capture

Law enforcement agencies coordinated their efforts in a comprehensive manhunt for Mendoza. The collaboration between multiple agencies proved crucial in tracking the suspect's movements across the border.

The arrest at the California-Mexico border demonstrated the effectiveness of international cooperation in apprehending suspects. Authorities have not yet revealed what led Mendoza to cross into Mexico or the circumstances of his return.

The timing of the arrest suggests that Mendoza may have fled shortly after DiNapoli's disappearance. This development has provided investigators with valuable opportunities to gather additional evidence and information about the case.

Family Mourns as Community Seeks Answers

DiNapoli's family released a statement expressing their profound grief over the loss of their daughter. "We are deeply saddened by the loss of our beloved Marissa, and at this time, our family kindly asks for privacy as we grieve and navigate this difficult journey," they stated.

The Morgan Hill community has rallied around the DiNapoli family, offering support and condolences during this difficult time. Local residents have expressed shock and concern over the tragic events that unfolded in their typically peaceful community.

The case has sparked discussions about safety and security in the area, with community members seeking answers about how such a tragedy could occur.

Investigation Continues as Details Emerge

The arrest of Martin Mendoza marks a significant breakthrough in the investigation of Marissa DiNapoli's death. The suspect's capture at the California-Mexico border has provided law enforcement with crucial opportunities to gather additional evidence and information.

Morgan Hill Police Department continues to work closely with partner agencies to build a comprehensive case. Investigators are meticulously examining all available evidence and witness statements to establish a clear timeline of events.

The loss of 18-year-old Marissa DiNapoli has left an indelible mark on the Morgan Hill community, as authorities work to ensure justice is served. The case remains active, with investigators urging anyone with additional information to come forward.

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