Arturo and Luis Zertuche are known members of the Florida street gang "Westside."
The television show America's Most Wanted has already profiled the cousins' crimes.
Arturo and Luis Zertuche are wanted by the Hillsborough County Sheriff's Office in Florida for Attempted First Degree Murder, Battery and Discharge of a Firearm.
In one shooting, the cousins allegedly opened fire at a convenience store for no reason.
The assaults may have been acts of retaliation or intimidation, and may have been gang related.
Investigators said one of their victims was paralyzed.
The cousins have a large family with relatives in Brownsville, Texas.
Luis is 23-years-old, 5-feet-7 inches tall, 145 pounds with brown eyes and brown hair.
Arturo is 21-years-old, 5-feet-7 inches tall, 175 pounds with brown eyes and brown hair.
If you have seen Arturo and Luis Zertuche, call the U.S. Marshals at (877)WANTED2.
The most recent crime stoppers tip revealed the Zertuches may be living in Matamoros, Mexico.