A man who is accused of killing a retired school teacher after busting out of the San Bernardino County Jail is also accused of trying to bust out of a detention facility in Contra Costa County, as well.

Prosecutors say that Darnell Washington actually tried to create an escape tunnel out of his Martinez Jail cell window and even started to tie sheets together to use during his run for the hills.

This marks the third escape attempt for the man.  He had one failed escape in San Bernardino County as well, prosecutors said, but he was captured before he could …