An Orange County sheriff’s deputy sets up a perimeter around the Geneva Presbyterian Church in Laguna Woods.

Laguna Woods residents Hector Gomez, 21, left, and Jodie Poblete, 30, bring flowers to the church on Sunday.

An Orange County sheriff’s deputy and a bomb-sniffing dog check outside the church on Sunday.

Officials hold a press conference in front of Geneva Presbyterian Church in Laguna Woods where a gunman killed one person and injured five others on Sunday,

An Orange County sheriff’s deputy stands watch outside Geneva Presbyterian Church in Laguna Woods.

A gunman killed one person and injured five others at Geneva Presbyterian Church in Laguna Woods on Sunday.

A firefighter paramedic assists a woman outside the church on Sunday.

The shooting occurred at 1:26 p.m. inside the Geneva Presbyterian Church in Laguna Woods, Calif., about 50 miles southeast of Los Angeles

Four of the victims were in critical condition, she said, and another victim was being treated for minor injuries.

The person who was killed was found inside the church by the authorities