Seattle police say Martinez chased Humiston for several blocks until patrol cars arrived and arrested Humiston for the 105th time since 2005.
“I told the police that if he actually took a little girl, they would be arresting me instead of that guy,” Martinez said. “I mean, I’m not going to let that happen.”
Court records indicate that, in many instances, Humiston was released within a day or two after being arrested, and he consistently listed his address as the Compass Housing Alliance in Seattle, indicating he is homeless.
Prosecutors noted Humiston was placed in the jail's psych ward in 2017, and would “likely commit an act of violence” if released.
Records indicate a few of the cases were dismissed because Humiston was found to be incompetent, KIRO reported.
Humiston’s career criminal conviction resume includes four felonies and 38 gross misdemeanors -- including threats to kill, assault, resisting arrest, stalking, escape, indecent exposure, possession of a dangerous weapon and multiple drug convictions, according to court records.
Humiston is currently being held on $150,000 bail at King County Correctional Facility. Martinez told KIRO he will look for Humiston "in case he gets out again."
"Somebody who's trying to grab a little kid, especially when they're all drugged up? He shouldn't be out," Martinez told the local news station. "If he gets out, it's not a threat or anything, but if I see him here? I'm not going to just chase him, I'm going to tackle him."