Joanna Cloonan (seen right with Aiden Leos) was told by California Highway Patrol officer on Sunday that they arrested Marcus Anthony Eriz, 24, the alleged gunman, and his girlfriend, Wynne Lee, 23.
The suspects, Eriz Marcus Anthony, 24, and Lee Wynne, 23, were taken into custody at their home in Costa Mesa. They are expected to be charged with murder.
Hundreds of people attended a memorial service at Calvary Chapel Yorba Linda, where Aiden Leos was remembered for his ability to empathize with others. A reward for information about the fatal shooting grew to $500,000.
The reward posted for information leading to an arrest and conviction in the freeway shooting that killed Costa Mesa 6-year-old Aiden Leos is now $500,000, authorities confirmed on Friday.