The Fort Bend County Sheriff's Office is looking for at least two people who murdered a father overnight in Katy.

The name of the victim is Brenton Estorffe, 29.

The murder occurred during a home invasion that happened in a neighborhood between Gaston Road and Highway 99. Estorffe appeared to be unarmed before he was killed.

"Someone broke a window and the homeowners heard it," said Sheriff Troy Nehls. "The father woke up and confronted two individuals at which time there were gunshots fired.”

The man leaves behind a wife and two toddlers - a 1-year-old and 3-year-old - who were all inside the house when he was killed, deputies said.

“That breaks your heart," Nehls said.

The sheriff's office is continuing its investigation and has some leads from neighbors.

"A neighbor saw a vehicle," Nehls said. “Most burglaries take place during the day. It’s a little unusual for guys who are going to breaking into a house to do it at midnight."