"He surrendered at the urging of his family and myself, to come in and get started on the process," she told the Houston Chronicle.
In his television interview, which KPRC said was conducted in November, Landeros said he aligned himself with the Occupy movement and that the vandalism was an act of social and political defiance.
"It's just a piece of cloth," he said. "What matters most is the people who are suffering."
He added, "If I wanted to destroy that piece, I could have done it. The spray paint that I used was easily taken away."
The painting is still being restored, KTRK-TV of Houston reported.