wade freeman is live in nevada with the story tonight. waynetrange. >> it's strange and unusual and a little bit twisted. it's happening right here where i'm standing. thls t this is the back door of the marin humane society. the last time it happened, 5:00 a.m. monday morning. they got it all on video. >> the unidentified people on this video might call what you're watching an act of love. it's 5:00 a.m. monday morning. they arrived in a minivan and hauled crate after crate full of cats and kittens. 24 of them this time. it is surreptitious but not illegal even though this video shows them dashing off in a hurry as if they were. >> unfortunately, we were not able to get the license plate off the video we have. we would like to track them down and talk to them. >> for ashley kinney who runs the humane society, it's a problem. they they love animals here, but after four dropoffs of cats in the last four months, it's leaving them strapped for food and money for medical care. >> a couple notes that say please find homes for these cats. >> notes th