A man accused of stabbing his sister's boyfriend in the back was released from the Lubbock County Jail on a $20,000 bond Saturday.
19-year-old Sebastian Sanchez-Rotunno is charged with aggravated assault.
He allegedly stabbed his sister's boyfriend 21-year-old Charles Langdon in the back .
The altercation took place Friday night in the 4800 block of 11th street.
The victim was taken to UMC with non life threatening injuries.
No one else was hurt in the incident.