Employee at Tesla’s Northern California factory arrested on a homicide warrant Monday, after arguing with a co-worker

Anthony Solima allegedly, ‘shot the male colleague with a ghost gun at the end of his shift’ outside the firm’s Fremont manufacturing plant

Solima, 29, ‘suddenly walked off’ after arguing with colleague Monday

He armed himself with an untraceable ‘ghost gun’, and trailed his target

The unidentified victim was leaving work when he was shot in parking lot

Cops tracked the shooter to Milpitas, where he surrendered

In his car police found a loaded, non-serialized, .223-caliber, short-barrel rifle in his car, along with expended casings

A Tesla employee has been arrested on suspicion of murder after he argued with a co-worker and then allegedly shot him outside the company’s Fremont factory in Northern California.  Records show Anthony Solima is being held on suspicion of murder and is scheduled to be arraigned Thursday afternoon.
Solima, 29, armed himself with an untraceable ‘ghost gun’ after ‘suddenly walking off’ in the middle of his shift on Monday, police said.  
He shot his co-worker in the parking lot shortly after the unidentified victim left the factory at the end of his shift, investigators said.
Detectives did not say what had caused the argument between Solima and his colleague. 

Firefighters rushed to the parking lot in the 45000 block of Fremont Boulevard 3.26pm.
They found the victim unresponsive with at least one gunshot wound and immediately called the cops.
He was pronounced by paramedics a short time later.
Police began their investigation, recovering several spent .223-caliber rifle casings at the scene, police said.
‘Within several hours, detectives developed leads on a potential suspect who also worked with the victim,’ police said. Detectives tracked Solima to Milpitas and tailed him ‘until an opportunity presented itself to arrest [him] when he exited his vehicle.’
The victim hasn’t yet been publicly identified.
The suspect surrendered to cops who found a loaded, non-serialized, .223-caliber, short-barrel rifle in his car, along with expended casings.
Police confirmed to The Los Angeles Times that the weapon was a ghost gun.
These are typically made from 3-D printed plastic parts and can be assembled at home using kits.

They are not made by licensed manufacturers so they do not carry serial numbers, making them impossible to trace. 
Experts have warned these homemade guns are increasingly being used in crimes.
More than 40 percent of guns seized in LA are ghost guns, according to federal firearms officials.
Solima, of Milpitas, is due to be arraigned on Thursday.
Fremont police are continuing their investigation into Monday’s shooting.