I was student in the UK 2 years ago, in a very deep depression, under medication, I was very desperate and thought I worth nothing, i was caught shoplifting and taken to the police station twice, they gave me a penalty notice and then a simple caution. but now I am back on my feet, I found a job with a big american company in morocco and they have decided to send me on a training for two weeks in the US. I don't know what to do, on the visa questionnaire it says 'have you ever been arrested or convicted.. ?'.

is a caution and penalty notice considered as an arrest, shall I tick yes anyways and disclose it ?what are my chances ?..
if I decide not to disclose my record, I red that US embassies do not have access to UK police data, but I am planning to go back to UK too for a visit later, I need to disclose my record to the UK embassy for sure. what if embassies share data, then I ll be in trouble with the US embassy..

please help, I am sleepless ever since my boss told me that I'll be going on training to the US.

thanks