'He was a loving son' | 18-year-old's accused killer had been released on bond before murder and now his mother wants answers Macario De Leon's mother and victims' rights activists want answers as to why Louis Ybarbo was released from custody before he is accused of killing the 18-year-old. Author: Grace White Updated: 11:56 PM CST December 21, 2020 HOUSTON — A teenager was murdered earlier this month and Houston police said they need the public's help to find his accused killer, Louis Ybarbo. On Dec. 6, Macario De Leon was shot in the parking lot of a shopping center in the 400 block of North Sam Houston Parkway East.