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Police Can Scan Between the Lines with License Plate Readers

Tosa police are installing automated camera systems that can read and react to problem plates in an instant, keeping patrol officers safer and making them manifestly more efficient.

Suppose you are a police patrol officer.

As you cruise the streets – even the highway – you keep your eyes safely on the road, both hands firmly on the wheel.

At the same time, you scan every approaching car, every car in front of you, every car parked along the side of the road.

You know in an instant when any one of those cars, even in heavy traffic, even in very fast traffic, has so much as an expired registration.

You know in an instant when one of those cars has been reported stolen, or that it was seen as the getaway car in an armed robbery.

Are you some kind of super-cop? Nope. No human has that capability.

But Wauwatosa police officers soon will have it, thanks to technology that up to now has been beyond the reach of most smaller police departments.

Real-time, on-the-road, crime patrol

The will soon install “automated license plate recognition systems” on two squad cars – license readers, for short. And as the price comes down, more police departments will be adopting it.

Using high-tech cameras mounted on their roofs, officers driving those cars will receive instant alerts to every car they pass that has been entered in the Wisconsin Department of Motor Vehicles database within the past 24 hours or before.

“We’ll outfit two squad cars, each with dual cameras,” said Sgt. Salvatore “T.J.” Alioto. “There are actually two cameras inside each of those, one color camera for daylight and one infrared for night.

“The system senses the reflectivity of the license plate, but it captures the whole car. Then it crops down to the license plate and reads it.”

It does that in much less time than it takes you to blink.

“And the response is instantaneous,” Alioto said. “It provides instant notification to the officer.”

That same patrol officer on the street now, without this system, has to decide which, if any, vehicle he or she thinks might be worth checking out. There is a measure of intuition, of suspicion, of having a hunch, of luck.

There is also the matter of time.

Manual transmission vs. automatic

Now, an officer has to decide which cars to check, get a good enough look to get the license number, then manually enter it into the computer with one hand while driving with the other. Then, before taking any action, the officer has to wait for a visual readout, again taking eyes off the road. It’s all akin to texting while driving.

“You run a plate, and by the time you get a response – whoops, he’s long gone,” Alioto said. “It’s time-consuming and dangerous.

“With this system, they can keep both hands on the wheel. There’s an audible signal as well as a visual one.”

Wauwatosa officers rode along with Milwaukee police who already have the system in place, to see what it could do.

"That's Milwaukee," Alioto said. "Theirs was just ding-ding-ding-ding."

Alioto said that the license readers, manufactured by Federal Signal, scan at rates in the thousands per minute and can read a plate at a combined speed of 160 mph – for instance, a squad car and an approaching car each traveling at 80 mph.

Again, compare that to an officer’s current situation. He or she almost has to be following a car to get a license number and enter it. At any reasonable road speed, it is nearly impossible to check the number on even one rapidly approaching vehicle – much less every one, at any conceivable speed.

Big Brother is watching – and that's OK, so far

If that were all the system could do, it would be like putting many extra eyes on the road. But that isn’t all.

“It’s not only running the plate, it’s also geo-tagging it,” Alioto said. “It can plot that reading on a map, date and time-stamped.

“We can see where and when it’s been seen. Because of this, you have a picture of that person’s activities – or at least that vehicle.”

That raises red flags for some people. Anybody could be driving the same car that is implicated in a crime investigation. And what if every car is suspect, even when on private property?

“The ‘Big Brother’ factor – it’s already been tested in the courts,” Alioto said. “Public areas, streets and parking lots, are not protected.

“It’s set up not to capture cars in driveways, and the data is not used except in an investigation.”

The capabilities of the system make it not only a powerful tool for the patrol officer but also for the detective ­– or even the cop enforcing overnight parking.

“Suppose you’re on the third shift,” Alioto said. “Part of your job is parking enforcement, and people have called in for overnight parking permission.

“You can upload that list, and if there’s a car not on it – ding!

“You’re just driving down the street, not having to focus on whether a car is called in or not. Now the officer can concentrate on patrolling.”

But suppose there’s something much more serious involved.

“Say you have a sex offender,” Alioto said. “We can set up a geo-fence that tells us, ‘Hey, you just crossed over the line, over that border.’

"Again, we wouldn't necessarily use that just because someone drove down the street once. But twice, three times – in the parking lot...?

"Hey, you're not supposed to be here.”

Ding.

It's on a 'need to know' basis, and you don't...

The system can even keep the patrol officer in the dark, Alioto said, when it suits the needs of investigators.

Suppose detectives are watching someone suspected of a crime, whom they believe may frequent a particular place or area, but they are not yet ready to pounce.

The last thing they want is for a diligent patrol officer to scrooge the investigation by pulling over the prime suspect before they’ve amassed enough evidence to make a charge stick.

“We can program it to seek a ‘person of interest,’” Alioto said. “But it can be set up so the officer on the street doesn’t even know that. He or she doesn’t get pinged.

“But the lead investigator knows – they get an email or text immediately,” as to the suspect's whereabouts.

Coming soon to another jursidiction near you

Right now, the Milwaukee Police Department, the Milwaukee County Sheriff’s Department and the Franklin Police Department are using the system.

Wauwatosa is spending about $29,000 to install systems on two squad cars – “Those two squads are going to be very busy,” said Alioto’s boss, Capt. Dale Weiss.

Part of the cost, Alioto said, is the software system, so adding additional mobile units – camera-equipped squads – could be around $10,000 per car.

Soon, Alioto said, other jurisdictions in Southeast Wisconsin may purchase license readers and form a joint alert system, then it could go statewide, and there’s talk of a national alert system.

"We've already had cases where Milwaukee has been able to say to, say, Greenfield, 'Hey, we've seen this car you're looking for 10 times in the same neighborhood in the past week.' That's really valuable.

“We’re talking about a huge database of information,” Alioto said, “and it’s just recently gotten to the price point where we could afford to do it.”

pupdog1 May 17, 2012 at 05:46 AM
Editor Jim apparently moonlights in the marketing department of the company that makes these things. This sounds like it came from the press release of their product launch.
Jim Price May 17, 2012 at 06:02 AM
Geez, pup, I'm sort of surprised. I've been thinking about your reaction to this, and I it was between "hooray" for all the expanded patrol capacity you're always crying for or "hey!?" for the Big Brother aspect of it. Never thought you'd hit me for telling you about it. It is what it is. That's what is does. (Maybe you're right, though – I think what it can do is pretty cool stuff, strictly from a tech point of view... )
Jim Price May 17, 2012 at 06:08 AM
(And by the way, pup, I'd be a pretty bad marketing guy since I never even mentioned the name of the company that manufactures this thing.... Just sayin')
pupdog1 May 17, 2012 at 06:55 AM
This comment is not specific to Tosa. Can you not see the enormous potential for abuse? Think about what is wrong with statements like this: “It’s set up not to capture cars in driveways, and the data is not used except in an investigation.” But it can be set up. And the date ARE used, by definition, simply by being collected and stored. And what about the tracking and recording of movement aspect, even though there is no warrant, no judicial review, and you are not a suspect in anything? History shows that these things will be used and abused because they can be used and abused. Remember what Franklin had to say about "they that can give up essential liberty to purchase a little temporary safety." And as far as expanded patrol capacity goes, today I saw another Tosa patrol car parked in the middle of the Wauwatosa cemetery north of Longfellow rather than being on the street. Being visible and on the street as a deterrent and show of force just doesn't matter to the Tosa police. Refusal to actively patrol will work until a Tosa resident gets killed in one of these things, and then you will see some very fancy footwork by Police HQ and the aldercritters. All the little $29,000 Orwell boxes in the world won't help them then. Just sayin'
Exrepublican May 17, 2012 at 12:09 PM
Pupdog. I have a really great idea for you. It sounds like you have the whole thing figured out on how the police should spend their time. Why don't you walk down to city hall and apply to be the Police Chief. It seems like you really know your stuff!........Just Sayin
Taoist Crocodile May 17, 2012 at 01:00 PM
Guess it's time to mail that registration...
pupdog1 May 17, 2012 at 03:48 PM
I see more Milwaukee PD cars on the streets in East Tosa than Tosa PD.
Laura May 17, 2012 at 05:15 PM
I'm all for anything that can help monitor sex offenders but the geo-tagging aspect does bother me for the regular, law abiding population. I'm just wondering if this high tech device will point out the license plates of the people who cannot read or comprehend instructions and put their renewal stickers all over their license plates? I think they should be ticketed for stupidity... I've travelled the world, lived on two continents and travelled to about 40 states and have never seen sticker book license plates except in Wisconsin ; (
Shibumi May 18, 2012 at 01:45 PM
The law-abiding population has nothing to fear. This will get more scumbags off the street (though just for a few hours untl our wonderful criminal justice system lets them go)
WIRSOL May 18, 2012 at 01:50 PM
What about people that haven't committed any crimes that drive those vehicles? Will they be falsely arrested, detained or harassed by law enforcement because of this kind of Lo Jack tracking. This is a terrible idea, and infringement on the rights of law abiding citizens. "They who can give up essential liberty to obtain a little temporary safety, deserve neither liberty nor safety." - Benjamin Franklin
pupdog1 May 18, 2012 at 05:11 PM
In January, the Supreme Court ruled against cops being able to place a GPS tracking device on a suspect's car without a warrant. These Orwell boxes are digitally right next door on that slippery slope, differing only in technical details. "The law-abiding population has nothing to fear." ... The tag line for tyranny throughout history.
matt alt May 18, 2012 at 06:02 PM
what is the point of zero night time parking in Wauwatosa? Is it a safety issue, or a revenue issue? My guess is that this tool is used to generate parking revenue for the city of Wauwatosa. Way to choke us to death you pigs.
John Bray May 19, 2012 at 02:36 PM
Kudos to 'Tosa PD for embracing this new age technologly to boost its enforcement activities--glad to see that my old hometown gets it! John Bray MnDOT (Ret.) Duluth, Mn
Nick Schweitzer May 22, 2012 at 09:19 PM
It's just like an episode of Wild Kingdom, where everyone can have their ear tagged so that the proper authorities can track your progress. As for those who say that "law abiding citizens" have nothing to fear... that means we all have something to fear. Odds are you have or are breaking some law somewhere. There are so many laws, regulations, and so many of them are written so vaguely, that if someone decides to pick you, they can find something you did wrong. For the police that claim that they won't abuse this... I always stand by the old rule that You Cannot Abuse That Which You Do Not Have.
Deb Strzelecki May 22, 2012 at 10:33 PM
Absolutely. If you have nothing to hide, who cares? Also agree about the "catch and release" DA's office & judges in Milwaukee county.

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