is this controlling ,posessiveness or jealousy?

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My fb has said things to me that make me wonder. He asked me once what time I got home.I told him He said I drove by and ur car wasn't there. I don't till this day understand why he told me this. He questions me about my ex. My saftey was a concern recently with my ex. My fb text me asking me how things were going with the ex ,asked if the ex stopped by unannounced ,how long my mom was staying . He asked me if a tv I had in a box was a gift for someone. On diff occasions asked me what tome I got home from work right before we meet up. He is s cop. He drove up one day and said I seen ur exes truck in the drive I was worried but realized it hadn't moved.(court orders to stay here ) lastly he said do ur neighbors have ur exes number to call him and tell him my car is in ur drive. I don't get that does he want my ex to know about him,please help