janine garcia owns maximaids and has advice for those looking for a housekeeper. >> found out who a company, how long have they been in business, are they really screening their employees. do they really train them. police say also be vigilant and hide your valuables. and if you can, try to be home during the service. >>> well there's something missing from some d.c. buses. someone has been stealing the benches. mark sea graves found the problem is getting so bad that d.c. is now asking police for help. >> there are hundreds of new bus shelters across the district equipped with new maps, electronic signs with real-time bus information and benches. but as news4 looked up and down 14th and 16th streets in upper northwest, we found shelter after shelter after bus shelter with no benches. >> i see that. no place for me to sit. >> benches are held in position by four bolts. easily accessible from the rear of the shelter. and while scrap metals only go for between 20 to 70 cents a pound, officials at the district's department of transportation which maintains the bus shelters believes someone may