Pleasanton police are investigating a fatal shooting that happened Friday night. One man is dead and another is in custody.

Police said that during the investigation they found possible improvised explosive devices inside the suspect’s home.

Neighbors said they didn’t hear anything unusual. Some noticed a law enforcement response Friday night but didn’t know immediately what it was about.

Before 10 p.m. Friday, officers responded to reports of a shooting near Halpert Court. One man was shot, taken to the hospital and later died.

Police said 29-year-old Lucas Chan of Pleasanton was taken into custody and booked on suspicion of homicide.

One neighbor told us it wasn’t until about 30 minutes later that she realized something was happening.

“It’s very shocking because it’s a very quiet n

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