Lost USB Modem

<p>I went to Tomahawk Spur in Goodwood on Thursday the 13th of October 2016 spent about 30minutes there , I wanted to do some work since their wifi was not working well I used my Usb ****le/modem ,a day after I went to them and asked them to check for and they asked me who was my waiter on the day ,they promised to investigate and also look at the footage for that day,I haven't from them since then,please help</p>