Koechner was reportedly placed in a Ventura Country jail after being arrested for a suspected DUI.
The actor, best known for playing older brother Buzz McAllister, surrendered to authorities on Wednesday.
Music legend Clarence Avant's wife was shot and killed at their Beverly Hills home on Wednesday.
The alleged incident took place at around 1 a.m. on Friday.
The guitarist was charged with driving under the influence Thursday morning near Nashville, Tennessee.
The influencer is accused of accused of brutally beating up a man and stealing his phone in North Carolina.
In May, the Gilford Police Department announced that it had 'an active arrest warrant' out for the 52-year-old singer.
The warrant stems from an alleged incident with a videographer in 2019, police said.
The 'Jersey Shore' star, who was arrested in L.A. last week, is taking a 'step away' from the show to focus on his mental health.
The former reality star was arrested in Arkansas on Thursday.
The actor's bond is $1 million.
The actor will be on probation for three years.
The 26-year-old rapper spent more than four years behind bars for a drug gang conviction.
The 71-year-old singer just starred in a Super Bowl commercial for Jeep.