She went to her computer and opened the 'Find My iPhone' application, and discovered that her phone was somewhere in suburban L.A. around 50 kilometres away from her apartment.
Maguire, the 26 year old yoga instructor did what most iPhone users who have lost their phone did – she marched to the location of her iPhone's whereabouts, knocked on the door, and demanded that the thief return her iPhone.
"When I told my mum, she thought I've lost my mind," Maguire said.
Due to the frequent occurrence of iPhone and other smartphone theft, apps like 'Find My iPhone' where the user can track their phone's whereabouts provide a way for each person to solve their own crime. However, DIY crime solving like this has local authorities worried. Is it really worth risking one's own safety for something like a phone?
"This is a new phenomenon," said LA lawyer, ex-sheriff George Gascon. "It's not as simple as chasing down the thief and getting the phone back. Though people are provided with the chance to get their own justice, it could potentially land them in situations where they could seriously be put in harm's way."
Smartphones are currently the most popular target for thieves, according to statistics, 3 Million handsets were stolen in 2013 alone. Since 2011 in LA, smartphone theft have increased by 26%, smartphone robbery have increased by 23%. Out of all of the major heists in New York, 18% of the crimes committed were related to Apple products.
Even if a user tracks down the thief, the situation may very possibly escalate to assault, as thieves usually carry around their 'tools of the trade' such as hammers and other tools that could be used to harm others.
A spokesman of the LAPD – Andrew Smith said the trend is worrisome.
"It's just a phone, it's not worth risking your life for," he said. "Things like this should be left to the police to deal with. We have backup, firearms, advanced communication technology and body armour. But ordinary citizens do not."
But of course, thought the police has equipment stated, how much of the police force's bravest can be spared to track down people's mobile phones?
The police are suggesting another route to mobile security. Instead of installing apps that track the mobile, users should be installing kill switches in their phones, so that all contents – including the operating system on the mobile can be remotely erased, instantly bricking the phone. Such route will make the whole act of stealing the phone redundant, and would be the long-term solution to phone theft.