The liberals let them out to roam free in many big cities now they want to lock them up again
The homeless issue is just a pretext to force through the necessary laws.
Most of the homeless in Cali are not mentally ill - they are rational people riding the welfare rolls and making a rational economic decision to save money by avoiding the outrageous cost of housing
Many homeless are illegal aliens from third world countries where shanty towns like those springing up in California are the norm.
There are some mentally ill homeless for sure, and even more who are substance abusers, but most are just people riding the system who should be dealt with via vagrancy and loitering laws.