The San Marcos Police Department responded to a report of a stabbing incident Nov. 4, resulting in the arrest of a man.
Jonathan Sonny Luna, 21, was arrested for aggravated assault with a deadly weapon-family violence, tampering with physical evidence and possession of a controlled substance.
At approximately 4:08 p.m. Nov. 4, SMPD officers responded to reports of a male who was stabbed at the 100 block of Linden Lane. The caller reported that the offender left the scene in a vehicle moving toward Hwy 123.
When officers arrived, police say a witness who had seen the altercation drove up and reported that the offender’s vehicle was now on Tallow Trail. As officers converged on Tallow Trail, the offender fled through a field on the backside of the neighborhood.
Police say officers at the residence where the stabbing occurred received reports that the offender was now communicating with his grandmother via phone. Officers spoke with the offender on the phone, and he eventually emerged from the field and was taken into custody without incident. 
Police say the incident began over a child custody exchange between Luna, his child’s mother and the stabbing victim, her new boyfriend. 
The tampering charge stems from Luna’s admission that he stabbed the victim with a set of keys. However, police say a Ring camera shows a knife as the weapon, which Luna is believed to have destroyed or concealed in his immediate flight from the crime scene.
The victim, a 20-year-old male, received incapacitating injuries and was transported to Christus Santa Rosa Hospital-San Marcos by a family member. Police say the status of his condition is unknown at this time.
As of Nov. 6, Luna remains in the Hays County Jail with $112,000 bond for three offenses.